Three teenagers in yellow shirts cooking colorful food.
friends cook together
Three teenagers cooking are not necessarily friends. People cooking food could be cooking each on their own and not necessarily together.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_cook(e1) & n_food(x4) & a_colorful(s2) & Theme(s2,x4) & (x2 = x3) & n_shirt(x2) & a_yellow(s1) & Theme(s1,x2) & n_teenager(x1) & card_eq_3(x1))
exists e1 p1 x1.(exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_cook(e1) & n_friend(x1))