A man in a black shirt and red shorts is sitting on the shore of a lake.
A man is snorkeling in the ocean.
Sitting on the shore and snorkeling in the ocean cannot happen simultaneously.
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_shore(x4) & on(e1,x4) & of(x4,x5) & n_lake(x5) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_shorts(x2) & a_red(s2) & Theme(s2,x2) & of(x2,x3) & n_shirt(x3) & a_black(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_ocean(x2) & in(e1,x2) & Actor(e1,x1) & v_snorkele(e1) & n_man(x1))