people sitting around in a greenhouse.
The people are indoors in a greenhouse.
If they are sitting around in a greenhouse, they are indoors.
exists e1 s1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_greenhouse(x3) & a_around(s1) & Manner(e1,s1) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_people(x1))
exists p1 x1 x2.(n_people(x1) & in(p1,x2) & n_greenhouse(x2) & exists x3.((x1 = x3) & n_indoor(x3)))