(S (S (BASENP (DT This) (NN development)) (VP (VP (VBZ is) (RB not)) (VP (VBN related) (PP (TO to) (NP (NP (BASENP (JJR earlier) (NNS claims)) (PP (IN of) (BASENP (JJ tabletop) (NN fusion)))) (CC or) (NP (QT (DQL ``) (BASENP (JJ cold) (NN fusion)) (DQR '')) (VP (VBG having) (VP (VBN been) (VP (VBN observed) (PP (IN during) (BASENP (NN sonoluminescence)))))))))))) (PERIOD .))