premise: A man grabs the spokes of his bicycle while he jumps.
hypothesis: A man owns a bicycle.
explanation_1: You don't know if the man owns the bicycle just because it's referred to as "his." It's implied, but it could also be a rental.
explanation_2: The man probably not owns a bicycle.
explanation_3: Not everyone owns a bicycle.
premise_logic: exists e1 p1 x1 x2 x3.(n_male(x2) & n_male(x2) & n_bicycle(x3) & of(x3,x2) & n_spoke(x2) & exists e2.(Actor(e2,x2) & v_jump(e2)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_grab(e1) & of(x2,x3) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_own(e1) & n_bicycle(x2) & n_man(x1))