context: Four people, One male in a blue shirt and slacks with three females, one in pink, one in blue, and the other with a white shirt and blue blouse, in line to enter a yellow school bus, while a female in pink hold paper is on the phone.
hypothesis: There is a better than even chance that the people waiting in line are in middle school.
valid_hypothesis: There is little chance that the people waiting in line are in middle school.
invalid_hypothesis: There is a better than even chance that the people waiting in line are in middle school.
hypothesis_assertion: The people waiting in line are in middle school.