A man has let go of the rope swing over the river.
the man knows how to swim
Just because the man is over water, doesn't mean he knows how to swim.
exists e1 x1 x2 x3 x4 x5.(n_river(x5) & n_swing(x3) & of(x3,x4) & n_rope(x4) & over(e1,x5) & Theme(e1,x2) & Actor(e1,x1) & v_let(e1) & of(x2,x3) & n_go(x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Topic(e1,x2) & Actor(e1,x1) & v_know(e1) & n_manner(x2) & exists e2 x3.(Actor(e2,x3) & v_swim(e2)))