A man in a gray shirt is bobbing for apples.
A man is biting apples that are floating in water.
Biting is an act of bobbing.
exists e1 s1 x1 x2 x3.(for(e1,x3) & n_apple(x3) & Actor(e1,x1) & v_bob(e1) & in(x1,x2) & n_shirt(x2) & a_gray(s1) & Theme(s1,x2) & n_man(x1))
exists e2 e1 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_bite(e2) & in(e1,x4) & n_water(x4) & Actor(e1,x3) & v_float(e1) & (x2 = x3) & n_apple(x2) & n_man(x1))