question: How were viewers able to determine who endorsed political campaign ads , they saw in advertisements ??
answer: required to include a verbal disclaimer identifying the organization responsible for the advertisement
turker_answer: Viewers were able to determine who endorsed political campaign ads which they saw because the ads were required to include a verbal disclaimer identifying the organization responsible for the advertisement .
rule-based: How viewers able to determine who political campaign ads , they were saw required to include a verbal disclaimer identifying the organization responsible for the advertisement in advertisements ??