(S (S (BASENP (PRP They)) (VP (VBP note) (NP (BASENP (DT the) (NN potential)) (PP (IN of) (NP (BASENP (JJ such) (NN lab) (NNS assistants)) (SBAR (WHNP (WDT which)) (S (VP (MD may) (VP (ADVP (RBR more) (RB efficiently)) (VP (VB process) (BASENP (DT the) (NN research) (NNS data)))))))))))) (PERIOD .))