premise: A person is holding onto a bicycle in the air with his body in flight position.
hypothesis: The person is performing a cool trick.
explanation_1: That a person is holding onto a bicycle in the air with his body in flight position  does not necessarily imply that he is performing a cool trick. It could also be an involuntary situation, for example.
premise_logic: exists e1 x1 x2 x3 x4 x5 x6.(n_body(x4) & of(x4,x3) & n_male(x3) & n_air(x3) & in(e1,x5) & n_position(x5) & of(x5,x6) & n_flight(x6) & in(e1,x3) & with(x3,x4) & onto(e1,x2) & n_bicycle(x2) & Actor(e1,x1) & v_hold(e1) & n_person(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_trick(x2) & a_cool(s1) & Theme(s1,x2))
premise_sim: exists e1 x1 x2 x3 x4 x5 x6.(with(x3,x4) & v_hold(e1) & onto(e1,x2) & of(x5,x6) & of(x4,x3) & n_position(x5) & n_person(x1) & n_male(x3) & n_flight(x6) & n_body(x4) & n_bicycle(x2) & n_air(x3) & in(e1,x5) & in(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 x1 x2.(v_perform(e1) & n_trick(x2) & n_person(x1) & a_cool(s1) & Theme(s1,x2) & Theme(e1,x2) & Actor(e1,x1))