question: What was the effect of the Rotavirus vaccine ?
answer: ( 2-3 % ) decrease in total diarrheal disease incidence
turker_answer: The effect of the Rotavirus vaccine was ( 2-3 % ) decrease in total diarrheal disease incidence .
rule-based: The effect of the Rotavirus vaccine was ( 2-3 % ) decrease in total diarrheal disease incidence .