A couple jumps in the water.
The man jumped into the wate.r
A couple cannot consist of two people and not one man.
exists x1 x2 x3.(n_water(x3) & a_topic(x1) & in(x1,x3) & n_jump(x1) & of(x1,x2) & n_couple(x2))
exists e1 x1 x2.(n_wate.r(x2) & n_man(x1) & into(e1,x2) & Actor(e1,x1) & v_jump(e1))