An orchestra surrounding the maestro.
Maestro is giving instruction to his orchestra
Maestros are usually giving instruction in the front or center of an orchestra.
exists e1 x1 x2 x3.(n_maestro(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_surround(e1) & (x1 = x2) & n_orchestra(x1))
exists e1 x1 x2 x3.(ne_nam_maestro(x1) & to(e1,x3) & n_orchestra(x3) & of(x3,x2) & n_male(x2) & Theme(e1,x2) & Actor(e1,x1) & v_give(e1) & n_instruction(x2))