a boy squirts a squirt gun.
A boy shoots a water gun.
squirts and shoots are the same in a water gun
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_squirt(e1) & n_gun(x2) & of(x2,x3) & n_squirt(x3) & n_boy(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_shoot(e1) & n_gun(x2) & of(x2,x3) & n_water(x3) & n_boy(x1))