def insert_paraphrase_information(germanet_db, wiktionary_files):
num_paraphrases = <NUM_LIT:0><EOL>lexunits = {}<EOL>for filename in wiktionary_files:<EOL><INDENT>paraphrases = read_paraphrase_file(filename)<EOL>num_paraphrases += len(paraphrases)<EOL>for paraphrase in paraphrases:<EOL><INDENT>if paraphrase['<STR_LIT>'] not in lexunits:<EOL><INDENT>lexunits[paraphrase['<STR_LIT>']] =germanet_db.lexunits.find_one(<EOL>{'<STR_LIT:id>': paraphrase['<STR_LIT>']})<EOL><DEDENT>lexunit = lexunits[paraphrase['<STR_LIT>']]<EOL>if '<STR_LIT>' not in lexunit:<EOL><INDENT>lexunit['<STR_LIT>'] = []<EOL><DEDENT>lexunit['<STR_LIT>'].append(paraphrase)<EOL><DEDENT><DEDENT>for lexunit in lexunits.values():<EOL><INDENT>germanet_db.lexunits.save(lexunit)<EOL><DEDENT>print('<STR_LIT>'.format(num_paraphrases))<EOL>
Reads in the given GermaNet relation file and inserts its contents
into the given MongoDB database.

Arguments:
- `germanet_db`: a pymongo.database.Database object
- `wiktionary_files`: