A dog chases a white animal on a green lawn.
a dog sits inside
In sentence one the dog is chasing an animal on the lawn.  The dog cannot be outside chasing anything when he sits inside.
exists e1 s1 s2 x1 x2 x3.(on(e1,x3) & n_lawn(x3) & a_green(s2) & Theme(s2,x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_animal(x2) & a_white(s1) & Theme(s1,x2) & n_dog(x1))
exists e1 s1 x1.(a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_sit(e1) & n_dog(x1))