A man surfing a big wave.
The man is alone in the ocean.
There is nothing to indicate that the man is alone in the ocean.
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_surf(e1) & n_wave(x3) & a_big(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists s1 x1 x2.(n_ocean(x2) & n_man(x1) & in(s1,x2) & Theme(s1,x1) & a_alone(s1))