A group of people, many in white coats, work in a laboratory.
There are many people in this picture, and they are all inside.
A laboratory is most commonly inside.
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x2) & rel(x2,x3) & in(x3,x6) & n_laboratory(x6) & in(x3,x4) & rel(x4,x5) & n_work(x5) & n_coat(x4) & a_white(s1) & Theme(s1,x4) & n_many(x3) & n_people(x2) & n_group(x1))
exists p1 p2 x1 x2.(n_thing(x2) & n_picture(x2) & all x4.(n_inside(x4) -> (x2 = x4)) & in(p1,x2) & exists x3.((x1 = x3) & n_people(x3) & n_quantity(x3)))