premise: A man riding his bike wearing his helmet in front of an audience.
hypothesis: A man is riding his bike
explanation_1: Both man are riding a bike.
explanation_2: A man must be wearing his helmet if he is riding his bike.
explanation_3: "A man is riding his bike" is a rephrasing of "a man riding his bike".
premise_logic: exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & Theme(e2,x5) & Actor(e2,x4) & v_wear(e2) & in(x5,x6) & of(x6,x7) & n_audience(x7) & n_front(x6) & n_helmet(x5) & of(x5,x1) & n_male(x1) & n_male(x1) & (x1 = x4) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_bike(x3) & of(x3,x1) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_male(x1) & n_man(x1))