question: What is the aim of reinvent the toilet
answer: to promote the development of innovations in toilet design to benefit the 2.5 billion people that do not have access to safe and effective sanitation
turker_answer: The aim of reinvent the toilet is to promote the development of innovations in toilet design to benefit the 2.5 billion people that do not have access to safe and effective sanitation .
rule-based: The aim of reinvent the toilet is to promote the development of innovations in toilet design to benefit the 2.5 billion people that do not have access to safe and effective sanitation