welcomed tens of thousands of german jewish refugees 
(ROOT (VP (VBD welcomed) (NP (NP (QP (NNS tens) (IN of) (NNS thousands))) (PP (IN of) (NP (JJ german) (JJ jewish) (NNS refugees))))))
(ROOT (VP (VBD ) (NP (NP (QP (NNS ) (IN ) (NNS ))) (PP (IN ) (NP (JJ ) (JJ ) (NNS ))))))