Avril Lavigne singing during a concert.
Trent Reznor sings Sk8tr Boi.
Trent Reznor is not Avril Lavigne. He is far more talented.
exists e1 x1 x2 x3.(ne_per_lavigne(x1) & (x1 = x2) & ne_per_avril(x2) & during(e1,x3) & n_concert(x3) & Actor(e1,x1) & v_sing(e1))
exists e1 x1 x2 x3 x4.(ne_org_boi(x3) & (x3 = x4) & ne_org_sk8tr(x4) & ne_org_reznor(x1) & (x1 = x2) & ne_org_trent(x2) & Theme(e1,x3) & Actor(e1,x1) & v_sing(e1))