premise: A man holds a baby, which is chewing on eyeglasses.
hypothesis: There is something in the baby's mouth.
explanation_1: To chew on eyeglasses something has to be in the baby's mouth.
explanation_2: If you are chewing on something, it must be in your mouth. Therefore, if the baby is chewing on something, there must be something in the baby's mouth.
explanation_3: Eyeglasses are in the baby's mouth.
premise_logic: exists e2 e1 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_hold(e2) & on(e1,x4) & n_eyeglass(x4) & Actor(e1,x3) & v_chew(e1) & (x2 = x3) & n_baby(x2) & n_man(x1))
hypothesis_logic: exists p1 x1 x3 x4.(n_mouth(x4) & of(x4,x3) & n_baby(x3) & exists x2.((x1 = x2) & in(x2,x4) & n_thing(x2)))