premise: A man in green hitting a volleyball over the net.
hypothesis: There is no net.
explanation_1: There either is or is not a net.  A net is present for a man to be hitting a volleyball over it.
premise_logic: exists e1 x1 x2 x3 x4 x5.(n_net(x5) & a_topic(x1) & in(x1,x2) & over(e1,x5) & Theme(e1,x4) & Actor(e1,x3) & v_hit(e1) & n_volleyball(x4) & (x2 = x3) & n_green(x2) & n_man(x1))
hypothesis_logic: exists p1 x1.-exists x2.((x1 = x2) & n_net(x2))
premise_sim: exists e1 x1 x2 x3 x4 x5.(v_hit(e1) & over(e1,x5) & n_volleyball(x4) & n_net(x5) & n_man(x1) & n_green(x2) & in(x1,x2) & a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists x1.all x2.(-n_net(x2) | -(x1 = x2))