a lone parasurfer surfing a huge wave in the ocean.
A man sits on the beach.
Surfing in the ocean cannot be done while one sits on the beach.
exists e1 s1 s2 x1 x2 x3 x4.(n_ocean(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_surf(e1) & in(x3,x4) & n_wave(x3) & a_huge(s2) & Theme(s2,x3) & (x1 = x2) & n_parasurfer(x1) & a_lone(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_beach(x2) & on(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1))