The people in white and maroon clothes are in a wooden building.
A group of people are inside.
The people is a group of people.  Being in a wooden building is being inside.
exists p1 s1 x1 x2 x3.(n_people(x1) & exists s2 x4.(in(x1,x4) & n_building(x4) & a_wooden(s2) & Theme(s2,x4)) & in(x1,x2) & n_clothes(x2) & of(x2,x3) & n_maroon(x3) & a_white(s1) & Theme(s1,x2))
exists e1 s1 x1 x2.(a_inside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_be(e1) & of(x1,x2) & n_people(x2) & n_group(x1))