a girl is sleeping in the metro by putting her head on his boyfriend, s shoulder
A couple is wearing snow gear inside a bus.
A girl and her boyfriend can be wearing anything and don't necessarily have to be wearing snow gear. Metro can refer to rail as well and as such it cannot be said with certainty that the couple are inside a bus.
exists e1 p1 x1 x3 x4 x5.(n_boyfriend(x5) & of(x5,x4) & n_male(x4) & n_head(x4) & of(x4,x3) & n_female(x3) & n_metro(x3) & exists e3 e2 x2.(by(e2,e3) & on(e3,x5) & Theme(e3,x4) & Actor(e3,x2) & v_put(e3) & in(e2,x3) & Actor(e2,x2) & v_sleep(e2) & n_girl(x2)) & Topic(e1,p1) & Actor(e1,x1) & v_s(e1) & n_shoulder(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & inside(x2,x4) & n_bus(x4) & n_gear(x2) & of(x2,x3) & n_snow(x3) & n_couple(x1))