People gathered in an artist's studio.
The artist was alone in a hotel room.
There can be either people or artist alone. One can be either in a studio or in a hotel room.
exists e1 x1 x2 x3.(in(e1,x3) & n_studio(x3) & of(x3,x2) & n_artist(x2) & Actor(e1,x1) & v_gather(e1) & n_people(x1))
exists s1 x1 x2 x3.(n_artist(x1) & in(s1,x2) & n_room(x2) & of(x2,x3) & n_hotel(x3) & Theme(s1,x1) & a_alone(s1))