premise: A group of men riding bicycles in a line.
hypothesis: This people don't know how to ride a bike.
explanation_1: Since the men are riding the bicycles, it is impossible that they don't know how to ride a bike.
explanation_2: If they are riding bicycles, that means they know how to ride a bike. They can't be riding bikes and not know how to ride.
explanation_3: The people cannot be riding bikes if they don't know how.
premise_logic: exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & in(e1,x5) & n_line(x5) & Theme(e1,x4) & Actor(e1,x3) & v_ride(e1) & n_bicycle(x4) & (x2 = x3) & n_man(x2) & n_group(x1))
hypothesis_logic: exists x1.(n_people(x1) & -exists e1 x2.(Topic(e1,x2) & Actor(e1,x1) & v_know(e1) & n_manner(x2) & exists e2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_ride(e2) & n_bike(x4))))