Young people in sombreros enjoy shots and drinks.
Young people celebrate turning 21 at a Mexican bar.
Being in sombreros does not imply being in a Mexican bar or celebrating turning 21.
exists e1 s1 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & subset_of(x5,x3) & n_drink(x5) & subset_of(x4,x3) & n_shot(x4) & in(x1,x2) & n_sombrero(x2) & n_people(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 s1 x1.(exists e2 s2 x2 x3.(at(e2,x3) & n_bar(x3) & a_mexican(s2) & Theme(s2,x3) & for(e2,x2) & card_eq_21(x2) & Actor(e2,x1) & v_turn(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_celebrate(e1) & n_people(x1) & a_young(s1) & Theme(s1,x1))