A man is sledding on an orange slide.
a man is eating eels
The man cannot sled and eat at the same time
exists e1 x1 x2 x3.(on(e1,x2) & n_slide(x2) & of(x2,x3) & n_orange(x3) & Actor(e1,x1) & v_sled(e1) & n_man(x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_eel(x2) & a_eating(s1) & Theme(s1,x2)) & n_man(x1))