premise: A man holding a baby who is petting a pony.
hypothesis: A man with a baby is petting a pony.
explanation_1: Man holding a baby is man with a baby.
explanation_2: A person must be with a baby in order to be holding it.
explanation_3: The man is holding a baby who is petting a pony.
premise_logic: exists e2 e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e2,x5) & Actor(e2,x4) & v_pet(e2) & n_pony(x5) & (x1 = x4) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_baby(x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_pet(e1) & n_pony(x3) & with(x1,x2) & n_baby(x2) & n_man(x1))