A woman is using a large loom.
A woman is using a small loom.
Large and small are different size descriptions
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_loom(x2) & a_large(s1) & Theme(s1,x2) & n_woman(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_loom(x2) & a_small(s1) & Theme(s1,x2) & n_woman(x1))