A man is vacuuming his yard
A man is cleaning his lawn.
The man is cleaning his lawn because he is vacuuming his yard.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_vacuum(e1) & n_yard(x2) & of(x2,x1) & n_male(x1) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & n_lawn(x2) & of(x2,x1) & n_male(x1) & n_man(x1))