premise: A man in a one piece tunic is riding a bike in front of a sandstone wall while touching his nose.
hypothesis: The man is testing the bike.
explanation_1: A man riding a bike does not imply that he is testing it.
explanation_2: He may not be testing, rather enjoying the ride
explanation_3: Just because a man is riding a bike does not mean he is testing it.
premise_logic: exists p1 x1 x2 x8.(a_topic(x1) & in(x1,x2) & exists e2 e1 x3 x4 x5 x6 x7.(while(e1,e2) & Theme(e2,x8) & Actor(e2,x3) & v_touch(e2) & in(e1,x5) & of(x5,x6) & n_wall(x6) & of(x6,x7) & n_sandstone(x7) & n_front(x5) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_bike(x4) & n_tunic(x3)) & n_nose(x8) & of(x8,x1) & n_male(x1) & that(x2,p1) & n_piece(x2) & card_eq_1(x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2.(n_bike(x2) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_test(e1))