Two dogs play in a sandy field.
Two dogs play outside.
If dogs are in a sandy field then they must be outside.
exists e1 s1 x1 x2.(in(e1,x2) & n_field(x2) & a_sandy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))