Three young men lounge while drinking beer from bottles.
The three young men are smiling and laughing while drinking beer.
Just because three young men are drinking beer does not mean they are smiling or laughing.
(x)
exists e2 e1 e3 s1 s2 x1 x2.(n_man(x1) & a_young(s2) & Theme(s2,x1) & card_eq_3(x1) & a_young(s1) & Theme(s1,x1) & while(e2,e3) & Theme(e3,x2) & Actor(e3,x1) & v_drink(e3) & n_beer(x2) & Actor(e2,x1) & v_laugh(e2) & Actor(e1,x1) & v_smile(e1))