A man is pulled behind a boat on a knee board while another doing the same begins to fall.
Two men are enjoying a night in the river.
Not all men enjoy water sports like knee boarding. Not everyone goes to the river at night. Not all water sports like knee boarding are done in a river.
exists e1 p1 x1 x2 x3 x4 x7.(n_same(x7) & exists e3 e2 p2 x5 x6.(Topic(e3,p2) & Actor(e3,x5) & v_begin(e3) & exists e4.(Actor(e4,x5) & v_fall(e4)) & Theme(e2,x7) & Actor(e2,x6) & v_do(e2) & (x5 = x6) & n_thing(x5)) & while(e1,p1) & behind(e1,x2) & on(x2,x3) & n_board(x3) & of(x3,x4) & n_knee(x4) & n_boat(x2) & Theme(e1,x1) & v_pull(e1) & n_man(x1))
exists e1 x1 x2 x3.(n_river(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_night(x2) & n_man(x1) & card_eq_2(x1))