Q: Does "And there are differences between sex and gender; self-identification may not be correlated with biology perfectly." provide a valid answer to "Researchers from which university challenged the theory of race being only a social construct?"?
A: no

Q: Does "There are two types of transistors, which have slight differences in how they are used in a circuit." provide a valid answer to "What are the components of a field-effect transistor?"?
A: no

Q: Does "The merger of these two police forces in 1920 formed the world-famous Royal Canadian Mounted Police." provide a valid answer to "When were the first Mounties created?"?
A: no

Q: Does "During his annual state-of-the-nation address on September 2, 2014, President of Mexico Enrique Pena Nieto unveiled plans for a new international airport to ease the city's notorious air traffic congestion, tentatively slated for a 2018 opening." provide a valid answer to "When were the new plans of the airport revealed?"?
A:
yes