A boy wearing a red shirt is shooting fireworks off a breakwall into the water.
A boy in a green shirt is fishing off a breakwall into the water.
Red and green are different colors.  Fishing and shooting fireworks are different activities that cannot be done at the same time.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(n_water(x6) & into(e2,x6) & off(e2,x5) & n_breakwall(x5) & Theme(e2,x4) & Actor(e2,x1) & v_shoot(e2) & n_firework(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_shirt(x3) & a_red(s1) & Theme(s1,x3) & (x1 = x2) & n_boy(x1))
exists e1 s1 s2 x1 x2 x3 x4.(n_water(x4) & into(e1,x4) & a_off(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x1) & v_fish(e1) & n_breakwall(x3) & in(x1,x2) & n_shirt(x2) & a_green(s1) & Theme(s1,x2) & n_boy(x1))