The kids ride a boat in the water.
The children ride a boat in the water.
Kids are children.
exists e1 x1 x2 x3.(n_water(x3) & n_kid(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & in(x2,x3) & n_boat(x2))
exists e1 x1 x2 x3.(n_water(x3) & n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & in(x2,x3) & n_boat(x2))