A man hang glides over the countryside.
This gentlemen is currently digging a hole in the ground.
A man can not  hang glide and  be digging at the same time.
exists x1 x2 x3 x4.(n_countryside(x4) & a_topic(x1) & over(x1,x4) & n_glide(x1) & of(x1,x3) & n_hang(x3) & of(x1,x2) & n_man(x2))
exists e1 s1 x1 x2 x3.(n_ground(x3) & n_gentleman(x1) & a_currently(s1) & Manner(e1,s1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_dig(e1) & n_hole(x2))