A group of students during spring brake.
They are partying.
Students during spring break does not imply partying.
exists x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & during(x2,x3) & n_brake(x3) & of(x3,x4) & n_spring(x4) & n_student(x2) & n_group(x1))
exists e1 x1.(n_thing(x1) & Actor(e1,x1) & v_party(e1))