Q: Does "In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva." provide a valid answer to "What is the first step in the human digestive system?"?
A: yes

Q: Does "In May 1952, the Board of Trustees passed a resolution desegregating the school's undergraduate divisions." provide a valid answer to "When did the Board of Trustees pass a resolution to desegregate the Washington University undergraduate division?"?
A: yes

Q: Does "Badly Drawn Boy (2007) or Steve Earle (2009)." provide a valid answer to "Who provided the soundtrack for the longer TCM Remembers episode in 2009?"?
A: yes

Q: Does "But it was also known that the colour of the light given off by a hot object changes with the temperature, so that "white hot" is hotter than "red hot"." provide a valid answer to "What characteristic of the light emitted by a hot object changes with temperature?"?
A:
yes