premise: Right leg in a brace, a young boy lies on the couch while using his cellphone.
hypothesis: The boy is walking around
explanation_1: On the couch and walking around are different things.
explanation_2: A boy cannot be walking around while he lies on the couch.
explanation_3: A boy that lies down is just the opposite of a boy who is walking around
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5.(n_cellphone(x5) & of(x5,x2) & n_male(x2) & n_couch(x2) & while(e1,e2) & Theme(e2,x5) & Actor(e2,x1) & v_use(e2) & r_right(e1) & rel(e1,x3) & in(x3,x4) & n_brace(x4) & n_leg(x3) & on(e1,x2) & Actor(e1,x1) & v_lie(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 s1 x1.(n_boy(x1) & a_around(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1))