A man is vacuuming the grass on his lawn.
The husband is inside watching television.
If a man is on his lawn then he cannot be inside, since lawns are outside and a person can't be inside and outside at the same time.
exists e1 x1 x2 x3.(n_lawn(x3) & of(x3,x2) & n_male(x2) & n_grass(x2) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_vacuum(e1) & n_man(x1))
exists e1 s1 x1 x2.(n_husband(x1) & a_inside(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_television(x2))