'''
Created on Nov 29, 2016

@author: David
'''
import codecs
import re
f = codecs.open("f:/parll data/data/svalex-ttm.csv", "r", "utf-8")
mlist = []
for line in f:
    parts = line.split("\t")
    if (parts[1] not in mlist):
        mlist.append(parts[1])
print("{"+",".join(mlist)+"}")