A man wearing a black wetsuit cutoff at the elbows and knees surfs on a white surfboard.
A man is laying on his surfboard
While a man can be stomach surfing, he cannot be laying and surfing simultaneously.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_elbow(x6) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x7,x3) & on(x7,x9) & n_surfboard(x9) & a_white(s2) & Theme(s2,x9) & n_surf(x7) & of(x7,x8) & n_knee(x8) & subset_of(x4,x3) & at(x4,x6) & n_cutoff(x4) & of(x4,x5) & n_wetsuit(x5) & a_black(s1) & Theme(s1,x4) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(on(e1,x2) & n_surfboard(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_lay(e1) & n_man(x1))