question: Official advertisements generally contained what phrase ?
answer: `` I 'm -LSB- candidate 's name -RSB- , and I approve this message . ''
turker_answer: Official advertisements generally contained what phrase : `` I 'm -LSB- candidate 's name -RSB- , and I approve this message . ''
rule-based: Official advertisements generally contained `` I 'm -LSB- candidate 's name -RSB- , and I approve this message . .