A young boy is lifting up a mallet.
The boy is pounding a wrench on the table.
The boy cannot both be lifting a mallet and pounding a wrench at the same time.
exists e1 s1 s2 x1 x2.(a_up(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_lift(e1) & n_mallet(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_table(x3) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_pound(e1) & on(x2,x3) & n_wrench(x2))