After the second course I began to feel slightly at ease, although I couldn't help being disturbed by the way they just stared at me.
( ( After ( the ( second course ) ) ) ( ( ( I ( began ( to ( ( feel slightly ) ( at ease ) ) ) ) ) , ) ( ( although ( I ( ( could n't ) ( help ( being ( disturbed ( by ( the way ) ) ) ) ) ) ) ) ( they ( just ( ( stared ( at me ) ) . ) ) ) ) ) )
(ROOT (S (PP (IN After) (NP (DT the) (JJ second) (NN course))) (PRN (S (NP (PRP I)) (VP (VBD began) (S (VP (TO to) (VP (VB feel) (ADVP (RB slightly)) (PP (IN at) (NP (NN ease)))))))) (, ,)) (SBAR (IN although) (S (NP (PRP I)) (VP (MD could) (RB n't) (VP (VB help) (S (VP (VBG being) (VP (VBN disturbed) (PP (IN by) (NP (DT the) (NN way)))))))))) (NP (PRP they)) (ADVP (RB just)) (VP (VBD stared) (PP (IN at) (NP (PRP me)))) (. .)))
I felt nervous by the way they looked at me.
( I ( ( ( felt ( nervous ( by ( the way ) ) ) ) ( they ( looked ( at me ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD felt) (ADJP (JJ nervous) (PP (IN by) (NP (DT the) (NN way)))) (SBAR (S (NP (PRP they)) (VP (VBD looked) (PP (IN at) (NP (PRP me))))))) (. .)))