A child is asleep in a green stroller.
A child sleeps
child sleeps can also be said as  child is asleep
exists s1 s2 x1 x2.(in(s1,x2) & n_stroller(x2) & a_green(s2) & Theme(s2,x2) & Theme(s1,x1) & a_asleep(s1) & n_child(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_child(x1))