Several friends have passed out together on the floor.
the friends are drunk
Several friends can also be expressed as friends. People being passed out together on the floor can be said to be drunk.
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 s1 x1.(n_friend(x1) & Theme(s1,x1) & a_drunk(s1))