Four teenagers standing next to a bus and talking and laughing.
There are some young people who are speaking with each other by a vehicle.
Teenagers are young people and a bus is a vehicle
exists e2 e3 e1 x1 x2 x3 x4.(Actor(e3,x4) & v_laugh(e3) & n_teenager(x4) & card_eq_4(x4) & Actor(e2,x3) & v_talk(e2) & n_teenager(x3) & card_eq_4(x3) & to(e1,x2) & n_bus(x2) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & n_teenager(x1) & card_eq_4(x1))
exists p1 x1 e1 s1 x2 x3 x4.((x1 = x2) & by(e1,x4) & n_vehicle(x4) & all x5.(n_other(x5) -> with(e1,x5)) & Actor(e1,x3) & v_speak(e1) & (x2 = x3) & n_people(x2) & a_young(s1) & Theme(s1,x2))