seem to match the power of their surroundings 
(ROOT (S (VP (VB seem) (S (VP (TO to) (VP (VB match) (NP (NP (DT the) (NN power)) (PP (IN of) (NP (PRP$ their) (NNS surroundings))))))))))
(ROOT (S (VP (VB ) (S (VP (TO ) (VP (VB ) (NP (NP (DT ) (NN )) (PP (IN ) (NP (PRP$ ) (NNS ))))))))))