The drunk man in the gray shirt is attempting to drill into a keg of beer, while another keg awaits.
The man is throwing the keg off of a cliff.
You cannot drill into a Keg of beer and through it off the cliff at same time.
exists e1 p1 s1 s2 x1 x2.(n_shirt(x2) & a_gray(s2) & Theme(s2,x2) & n_man(x1) & a_drunk(s1) & Theme(s1,x1) & Topic(e1,p1) & Actor(e1,x1) & v_attempt(e1) & exists e2 x3 x4 x5 x6 x7.(while(e2,x6) & n_await(x6) & of(x6,x7) & n_keg(x7) & -(x6 = x5) & n_await(x5) & of(x5,x3) & n_keg(x3) & n_keg(x3) & into(e2,x3) & of(x3,x4) & n_beer(x4) & Actor(e2,x1) & v_drill(e2)) & in(x1,x2))
exists e1 x1 x2 x3.(n_keg(x2) & n_man(x1) & of(e1,x3) & n_cliff(x3) & r_off(e1) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1))