A female barista making a latte.
The barista is making coffee.
Both subjects are making coffee or latte
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_make(e1) & n_latte(x3) & (x1 = x2) & n_barista(x1) & a_female(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_barista(x1) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_coffee(x2))