import csv


def makeoutput(infile, outfile):
    counter = 0
    with open(infile) as tsvfile:
        reader = csv.reader(tsvfile, delimiter='\t')
        for row in reader:
            counter+=1

    with open(outfile, 'wt') as tsvfile:
        tsv_writer = csv.writer(tsvfile, delimiter='\t')
        for i in range(counter):
            tsv_writer.writerow('S')

makeoutput("test-A/in.tsv", "test-A/out.tsv")
makeoutput("train/in.tsv", "train/out.tsv")
makeoutput("dev-0/in.tsv", "dev-0/out.tsv")