diff --git a/test/Spec.hs b/test/Spec.hs
index 6f1bd1b..9af906b 100644
--- a/test/Spec.hs
+++ b/test/Spec.hs
@@ -343,6 +343,10 @@ main = hspec $ do
       runGEvalTest "multilabel-f1-with-probs" `shouldReturnAlmost` 0.615384615384615
     it "labels given with probs and numbers" $ do
       runGEvalTest "multilabel-f1-with-probs-and-numbers" `shouldReturnAlmost` 0.6666666666666
+    it "information extraction" $ do
+      runGEvalTest "multilabel-f1-ie" `shouldReturnAlmost` 0.1111111111
+    it "information extraction with flags" $ do
+      runGEvalTest "multilabel-f1-ie-flags" `shouldReturnAlmost` 0.444444444444
   describe "Mean/MultiLabel-F" $ do
     it "simple" $ do
       runGEvalTest "mean-multilabel-f1-simple" `shouldReturnAlmost` 0.5
diff --git a/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags-solution/test-A/out.tsv b/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags-solution/test-A/out.tsv
new file mode 100644
index 0000000..116441b
--- /dev/null
+++ b/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags-solution/test-A/out.tsv
@@ -0,0 +1,3 @@
+important-person=JOHN_BROWN important-person=JOHN_SMITH company-name=Axaxaxaxas_Mlo profit=12031
+company-name=Foo_Bar profit=1220
+company-name=Whatever important-person=PIERRE_MENARD
diff --git a/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags/config.txt b/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags/config.txt
new file mode 100644
index 0000000..5672e29
--- /dev/null
+++ b/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags/config.txt
@@ -0,0 +1 @@
+--metric MultiLabel-F1:ls<_(inc|ltd)\.?(\s|$)><\2>
diff --git a/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags/test-A/expected.tsv b/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags/test-A/expected.tsv
new file mode 100644
index 0000000..ff50263
--- /dev/null
+++ b/test/multilabel-f1-ie-flags/multilabel-f1-ie-flags/test-A/expected.tsv
@@ -0,0 +1,3 @@
+company-name=Axaxaxas_Mlö profit=12031 important-person=John_Smith important-person=James_Brown
+company-name=Orbis_Tertius profit=1020 important-person=Anna_Smith
+company-name=Whatever_Inc profit=5600 important-person=Pierre_Menard
diff --git a/test/multilabel-f1-ie/multilabel-f1-ie-solution/test-A/out.tsv b/test/multilabel-f1-ie/multilabel-f1-ie-solution/test-A/out.tsv
new file mode 100644
index 0000000..116441b
--- /dev/null
+++ b/test/multilabel-f1-ie/multilabel-f1-ie-solution/test-A/out.tsv
@@ -0,0 +1,3 @@
+important-person=JOHN_BROWN important-person=JOHN_SMITH company-name=Axaxaxaxas_Mlo profit=12031
+company-name=Foo_Bar profit=1220
+company-name=Whatever important-person=PIERRE_MENARD
diff --git a/test/multilabel-f1-ie/multilabel-f1-ie/config.txt b/test/multilabel-f1-ie/multilabel-f1-ie/config.txt
new file mode 100644
index 0000000..b79da4c
--- /dev/null
+++ b/test/multilabel-f1-ie/multilabel-f1-ie/config.txt
@@ -0,0 +1 @@
+--metric MultiLabel-F1
diff --git a/test/multilabel-f1-ie/multilabel-f1-ie/test-A/expected.tsv b/test/multilabel-f1-ie/multilabel-f1-ie/test-A/expected.tsv
new file mode 100644
index 0000000..ff50263
--- /dev/null
+++ b/test/multilabel-f1-ie/multilabel-f1-ie/test-A/expected.tsv
@@ -0,0 +1,3 @@
+company-name=Axaxaxas_Mlö profit=12031 important-person=John_Smith important-person=James_Brown
+company-name=Orbis_Tertius profit=1020 important-person=Anna_Smith
+company-name=Whatever_Inc profit=5600 important-person=Pierre_Menard