A young boy is swimming in an underground pool right next to the 3.5 ft. sign.
Nobody in the frame is wet at all.
Young boy is not the same as nobody.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5.(n_sign(x4) & of(x4,x5) & n_ft.(x5) & card_eq_3.5(x4) & in(e1,x2) & r_right(s3) & to(s3,x4) & Theme(s3,x3) & a_next(s3) & (x2 = x3) & n_pool(x2) & a_underground(s2) & Theme(s2,x2) & Actor(e1,x1) & v_swim(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists x2.(n_frame(x2) & -exists s1 x1.(all x3.(n_thing(x3) -> at(s1,x3)) & Theme(s1,x1) & a_wet(s1) & in(x1,x2) & n_person(x1)))