Three adults take shots by a bar.
There are three adults.
Three adults take shots  shows that There are three adults.
exists e1 x1 x2 x3.(by(e1,x3) & n_bar(x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_shot(x2) & n_adult(x1) & card_eq_3(x1))
exists p1 x1 x2.((x1 = x2) & n_adult(x2) & card_eq_3(x2))