premise: Two construction workers are working in front of a wall which has a bunch of names carved into it.
hypothesis: The men are playing wind instruments.
explanation_1: the men cannot be working in front of a wall and playing instruments at the same time.
explanation_2: The men are either playing wind instruments or working in front of a wall.
explanation_3: The workers are either working or playing.
premise_logic: exists e3 e2 e1 x1 x2 x3 x4 x5 x6 x7 x8.(in(e1,x3) & of(x3,x4) & Theme(e3,x6) & Actor(e3,x5) & v_have(e3) & into(e2,x1) & n_thing(x1) & Theme(e2,x8) & v_carve(e2) & (x6 = x8) & of(x6,x7) & n_name(x7) & n_bunch(x6) & (x4 = x5) & n_wall(x4) & n_front(x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2) & of(x2,x3) & n_wind(x3))