The tree-lined avenue extends less than three blocks to the sea.
( ( The ( tree-lined avenue ) ) ( ( ( extends ( ( less ( than three ) ) blocks ) ) ( to ( the sea ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ tree-lined) (NN avenue)) (VP (VBZ extends) (NP (QP (JJR less) (IN than) (CD three)) (NNS blocks)) (PP (TO to) (NP (DT the) (NN sea)))) (. .)))
The sea isn't even three blocks away.
( ( The sea ) ( ( ( is n't ) ( ( even ( three blocks ) ) away ) ) . ) )
(ROOT (S (NP (DT The) (NN sea)) (VP (VBZ is) (RB n't) (ADVP (NP (RB even) (CD three) (NNS blocks)) (RB away))) (. .)))