a group of people are congregated in a room by a big round mirror.
A group looks at a big mirror.
Congregated in a room by a big round mirror does not necessarily mean looks at a big mirror.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x3) & by(x3,x4) & n_mirror(x4) & of(x4,x5) & n_round(x5) & a_big(s1) & Theme(s1,x4) & n_room(x3) & Theme(e1,x1) & v_congregate(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2.(at(e1,x2) & n_mirror(x2) & a_big(s1) & Theme(s1,x2) & Actor(e1,x1) & v_look(e1) & n_group(x1))