People gathered around a hot air balloon in the process of inflating.
People are taking pictures of a hot air balloon.
Gathered around does not imply taking pictures.
exists e1 s1 x1 x2 x3 x4 x5.(n_process(x4) & in(e1,x4) & of(x4,x5) & n_inflate(x5) & around(e1,x2) & n_balloon(x2) & of(x2,x3) & n_air(x3) & a_hot(s1) & Theme(s1,x2) & Actor(e1,x1) & v_gather(e1) & n_people(x1))
exists e1 s1 x1 x2 x3 x4.(of(e1,x3) & n_balloon(x3) & of(x3,x4) & n_air(x4) & a_hot(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_picture(x2) & n_people(x1))