Two young people are lying on a bed together.
Two people are in bed.
Lying on bed together implies that you are in bed.
exists e1 s1 s2 x1 x2.(a_together(s2) & Manner(e1,s2) & on(e1,x2) & n_bed(x2) & Actor(e1,x1) & v_lie(e1) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_bed(x2)) & n_people(x1) & card_eq_2(x1))