If you have any questions, please call me at 241-2661.
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(ROOT (S (SBAR (IN If) (S (NP (PRP you)) (VP (VBP have) (NP (DT any) (NNS questions))))) (, ,) (VP (VB please) (VP (VB call) (NP (PRP me)) (PP (IN at) (NP (CD 241-2661))))) (. .)))
You can call me if you have a question
( You ( can ( ( call me ) ( if ( you ( have ( a question ) ) ) ) ) ) )
(ROOT (S (NP (PRP You)) (VP (MD can) (VP (VB call) (NP (PRP me)) (SBAR (IN if) (S (NP (PRP you)) (VP (VBP have) (NP (DT a) (NN question)))))))))