Group of people lighting paper on fire in a chemistry lab.
A group of people flood a open hallway.
People lighting paper on fire does not describe people that flood an open hallway.
exists e1 s1 x1 x2 x3 x4 x5 x6.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & in(e1,x5) & n_lab(x5) & of(x5,x6) & n_chemistry(x6) & on(e1,x4) & n_fire(x4) & Theme(e1,x3) & Actor(e1,x2) & v_light(e1) & n_paper(x3) & (x1 = x2) & n_people(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_flood(e1) & n_hallway(x3) & a_open(s1) & Theme(s1,x3) & of(x1,x2) & n_people(x2) & n_group(x1))