premise: A group of men are changing the shells on a cannon.
hypothesis: The men are photographers.
explanation_1: Just because they are changing shells on a cannon, it cannot be assumed that they are photographers.
premise_logic: exists e1 x1 x2 x3 x4.(n_shell(x3) & on(e1,x4) & n_cannon(x4) & Theme(e1,x3) & Actor(e1,x1) & v_change(e1) & of(x1,x2) & n_man(x2) & n_group(x1))
hypothesis_logic: exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_photographer(x2)))
premise_sim: exists e1 x1 x2 x3 x4.(v_change(e1) & on(e1,x4) & of(x1,x2) & n_shell(x3) & n_man(x2) & n_group(x1) & n_cannon(x4) & Theme(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_man(x1) & exists x2.(n_photographer(x2) & (x1 = x2)))