premise: A swimmer is performing the breaststroke in an indoor swimming pool set up for a competition.
hypothesis: A man is riding a bike
explanation_1: It is impossible to ride a bike while performing the breaststroke
explanation_2: The swimmer can't be riding a bike.
explanation_3: A swimmer performing would not be riding a bike.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_breaststroke(x2) & in(e1,x3) & for(e2,x6) & n_competition(x6) & a_up(s2) & Manner(e2,s2) & Theme(e2,x5) & v_set(e2) & (x3 = x5) & n_pool(x3) & of(x3,x4) & n_swimming(x4) & a_indoor(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_swimmer(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_man(x1))