Multiple students sitting on stairs at a school.
Multiple students are on a field trip at the local park.
A SCHOOL IS NOT A LOCAL PARK
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & at(e1,x5) & n_school(x5) & on(e1,x4) & n_stair(x4) & Actor(e1,x3) & v_sit(e1) & (x1 = x3) & n_student(x1) & (x1 = x2) & ne_nam_multiple(x2))
exists p1 s1 x1 x2 x5.(n_park(x5) & a_local(s1) & Theme(s1,x5) & exists x3 x4.(on(x1,x3) & at(x3,x5) & n_trip(x3) & of(x3,x4) & n_field(x4)) & n_student(x1) & (x1 = x2) & ne_nam_multiple(x2))