Three boys with no shirts on are sitting on cement steps by the water.
Three shirtless boys sit on the steps
no shirts is the meaning of shirtless
exists x1 x6.(n_water(x6) & -exists e1 s1 x2 x3 x4 x5.(on(e1,x4) & by(x4,x6) & n_step(x4) & of(x4,x5) & n_cement(x5) & Actor(e1,x1) & v_sit(e1) & with(x1,x2) & Theme(s1,x3) & a_on(s1) & (x2 = x3) & n_shirt(x2)) & n_boy(x1) & card_eq_3(x1))
exists e1 s1 x1 x2.(n_step(x2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_boy(x1) & a_shirtless(s1) & Theme(s1,x1) & card_eq_3(x1))