A man and boy wearing blue wetsuits play in the ocean near a large rock.
The people are sitting on a couch.
The people playing in the ocean means that they cannot be sitting on a couch at the same time.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_ocean(x6) & in(e2,x6) & near(x6,x7) & n_rock(x7) & a_large(s2) & Theme(s2,x7) & Actor(e2,x1) & v_play(e2) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_wetsuit(x5) & a_blue(s1) & Theme(s1,x5) & (x1 = x4) & n_boy(x3) & n_man(x2) & subset_of(x3,x1) & subset_of(x2,x1))
exists e1 x1 x2.(n_people(x1) & on(e1,x2) & n_couch(x2) & Actor(e1,x1) & v_sit(e1))