The couple relax on the steps studying the guidebook.
There is a couple sitting on steps outside.
A couple sitting on the steps is not necessarily on the steps outside.
exists e1 e2 x1 x2 x3 x4.(n_guidebook(x4) & n_step(x2) & n_couple(x1) & on(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_study(e2) & (x2 = x3) & Actor(e1,x1) & v_relax(e1))
exists p1 x1 e1 s1 x2 x3 x4.((x1 = x2) & a_outside(s1) & Manner(e1,s1) & on(e1,x4) & n_step(x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_couple(x2))