A man holding a can in a waterfall.
A man holds a can in the water.
Waterfalls drop water. So holding a can in waterfall means that one holds a can in water.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_waterfall(x4) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_can(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_water(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_can(x2) & n_man(x1))