context: Children, including one with a painted face, pet tiny turtles that are crawling in the green grass.
hypothesis: We believe that turtles are crawling in the light green grass.
valid_hypothesis: We believe that turtles are crawling in the light green grass.
invalid_hypothesis: It is impossible that turtles are crawling in the light green grass.
hypothesis_assertion: Turtles are crawling in the light green grass.