Two young men play a game of ping-pong.
Two men are forced to play ping-pong at gunpoint.
the men are not necessarily playing ping-pong because they're being forced to, and are not necessarily at gunpoint.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & of(x2,x3) & n_ping-pong(x3) & n_game(x2) & n_man(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 p1 x1.(Recipient(e1,p1) & Topic(e1,x1) & v_force(e1) & exists e2 s1 x2.(at(e2,x2) & n_gunpoint(x2) & a_ping-pong(s1) & Manner(e2,s1) & Actor(e2,x1) & v_play(e2)) & n_man(x1) & card_eq_2(x1))