A group of people are standing around music production equipment.
The people are by equipment.
if they are standing around the equipment, they are by equipment.
exists e1 x1 x2 x3 x4 x5.(around(e1,x3) & n_equipment(x3) & of(x3,x5) & n_production(x5) & of(x3,x4) & n_music(x4) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists p1 x1.(n_people(x1) & exists x2.(by(x1,x2) & n_equipment(x2)))