( ( ( The ( strongest link ) ) ( between ( ( alcohol and ) cancer ) ) ) ( ( involves ( ( ( cancers ( of ( the ( upper ( digestive tract ) ) ) ) ) , ) ( including ( ( ( ( ( ( ( the esophagus ) , ) ( the mouth ) ) , ) ( the pharynx ) ) and ) ( the larynx ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJS strongest) (NN link)) (PP (IN between) (NP (NN alcohol) (CC and) (NN cancer)))) (VP (VBZ involves) (NP (NP (NNS cancers)) (PP (IN of) (NP (DT the) (JJ upper) (NN digestive) (NN tract))) (, ,) (PP (VBG including) (NP (NP (DT the) (NNS esophagus)) (, ,) (NP (DT the) (NN mouth)) (, ,) (NP (DT the) (NN pharynx)) (CC and) (NP (DT the) (NN larynx)))))) (. .)))
The strongest link between alcohol and cancer involves cancers of the upper digestive tract, including the esophagus, the mouth, the pharynx and the larynx.
(ROOT (S (NP (DT The) (NN pharynx)) (VP (VBZ is) (NP (NP (DT the) (NN name)) (PP (IN of) (NP (NP (DT the) (NN tube)) (SBAR (WHNP (WDT that)) (S (VP (VBZ joins) (NP (DT the) (NN mouth)) (PP (TO to) (NP (DT the) (ADJP (JJ digestive) (CC and) (JJ respiratory)) (NNS tracts)))))))))) (. .)))