A man holding a baby in water.
A man is holding a baby
Both sentences explain that a man is holding a baby.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_water(x4) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_baby(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_baby(x2) & n_man(x1))