Tell me about your bike.
( ( ( Tell me ) ( about ( your bike ) ) ) . )
(ROOT (S (VP (VB Tell) (NP (PRP me)) (PP (IN about) (NP (PRP$ your) (NN bike)))) (. .)))
Let me know about the bike you just got.
( ( Let ( me ( know ( about ( ( the bike ) ( you ( just got ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Let) (SBAR (S (NP (PRP me)) (VP (VBP know) (PP (IN about) (NP (NP (DT the) (NN bike)) (SBAR (S (NP (PRP you)) (ADVP (RB just)) (VP (VBD got)))))))))) (. .)))