Several friends have passed out together on the floor.
friends on the floor
Passed out together on  the floor results in being on the floor.
exists e1 s1 s2 s3 x1 x2.(n_floor(x2) & on(e1,x2) & a_together(s3) & Manner(e1,s3) & a_out(s2) & Manner(e1,s2) & Actor(e1,x1) & v_pass(e1) & n_friend(x1) & a_several(s1) & Theme(s1,x1))
exists x1 x2.(n_floor(x2) & a_topic(x1) & on(x1,x2) & n_friend(x1))