premise: An enthusiastic boy pushes a shopping cart containing a smiling boy.
hypothesis: A boy is pushing a shopping cart
explanation_1: When he pushes the cart, then he is pushing it.
explanation_2: Enthusiastic boy is a type of boy, and is pushing is a paraphrase of pushes.
explanation_3: If the boy is pushing a shopping cart, you can also say that he pushes the shopping cart.
premise_logic: exists e1 e2 e3 s1 x1 x2 x3 x4 x5.(Theme(e3,x2) & Actor(e3,x1) & v_push(e3) & Theme(e2,x5) & Actor(e2,x4) & v_contain(e2) & n_boy(x5) & Actor(e1,x5) & v_smile(e1) & (x2 = x4) & n_cart(x2) & of(x2,x3) & n_shopping(x3) & n_boy(x1) & a_enthusiastic(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & n_cart(x2) & of(x2,x3) & n_shopping(x3) & n_boy(x1))