A crowd of students roaming around a college campus.
A crowd of students are outdoors.
Not all college campuses are outdoors.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & around(e1,x4) & n_campus(x4) & of(x4,x5) & n_college(x5) & Actor(e1,x3) & v_roam(e1) & (x2 = x3) & n_student(x2) & n_crowd(x1))
exists p1 x1 x2.(exists x3.((x1 = x3) & n_outdoors(x3)) & of(x1,x2) & n_student(x2) & n_crowd(x1))