A boy in a pool squirts a bright green water gun.
A boy squirts a water gun at his friend.
The boy could be shooting the squirt gun at anyone, not just his friend.
exists e1 s1 s2 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_squirt(e1) & n_gun(x3) & of(x3,x4) & n_water(x4) & a_green(s2) & Theme(s2,x3) & a_bright(s1) & Theme(s1,x3) & in(x1,x2) & n_pool(x2) & n_boy(x1))
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_friend(x4) & of(x4,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_squirt(e1) & n_gun(x2) & of(x2,x3) & n_water(x3) & n_boy(x1))