Man catching a nice wave while surfing.
A person is in the water
A man in the water on a wave surfing
exists e1 e2 s1 x1 x2 x3.(a_topic(x1) & while(e1,e2) & Actor(e2,x2) & v_surf(e2) & Theme(e1,x3) & Actor(e1,x2) & v_catch(e1) & n_wave(x3) & a_nice(s1) & Theme(s1,x3) & (x1 = x2) & n_man(x1))
exists p1 x1 x2.(n_water(x2) & in(x1,x2) & n_person(x1))