Three friends share a coffee.
Three friends share a tea.
Coffee is not tea.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_share(e1) & n_coffee(x2) & n_friend(x1) & card_eq_3(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_share(e1) & n_tea(x2) & n_friend(x1) & card_eq_3(x1))