context: A woman is pulling a child on a sled in the snow.
hypothesis: It is probable that a mother pulls a child on a sled during a fun day at Big Bear.
valid_hypothesis: It is impossible that a mother pulls a child on a sled during a fun day at Big Bear.
invalid_hypothesis: It is probable that a mother pulls a child on a sled during a fun day at Big Bear.
hypothesis_assertion: A mother pulls a child on a sled during a fun day at Big Bear.