People gathered in an artist's studio.
The artist is painting.
Just because people are gathered in an artist's studio it does not mean the artist is painting.
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 p1 x1.(n_artist(x1) & exists x2.((x1 = x2) & n_painting(x2)))