( You ( ( ( are not ) ( responsible ( for ( ( ( knowing ( the names ) ) or ) ( being ( able ( to ( identify ( any ( of ( ( the ( facial muscles ) ) ( associated ( with ( ( ( the ( external ear ) ) or ) ( the nose ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP You)) (VP (VBP are) (RB not) (ADJP (JJ responsible) (PP (IN for) (S (VP (VP (VBG knowing) (NP (DT the) (NNS names))) (CC or) (VP (VBG being) (ADJP (JJ able) (S (VP (TO to) (VP (VB identify) (NP (NP (DT any)) (PP (IN of) (NP (NP (DT the) (JJ facial) (NNS muscles)) (VP (VBN associated) (PP (IN with) (NP (NP (DT the) (JJ external) (NN ear)) (CC or) (NP (DT the) (NN nose)))))))))))))))))) (. .)))
You are not responsible for knowing the names or being able to identify any of the facial muscles associated with the external ear or the nose.
(ROOT (S (NP (DT The) (NNS ears)) (VP (VBP are) (NP (NP (DT an) (JJ external) (NN feature)) (PP (IN in) (NP (JJ human) (NNS beings))) (SBAR (S (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (NN balance))))))))) (. .)))