A street performer with a guitar.
Money is being donated.
It cannot be assumed that money is being donated.
exists x1 x2 x3.(a_topic(x1) & with(x1,x3) & n_guitar(x3) & n_performer(x1) & of(x1,x2) & n_street(x2))
exists e1 x1.(Theme(e1,x1) & v_donate(e1) & n_money(x1))