( ( ( ( ( Mention ( ( milling and ) millstones ) ) , ) and ) ( ( most people ) ( think ( of ( ( grinding grain ) ( to ( make flour ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Mention)) (VP (VP (VBZ milling)) (CC and) (VP (VBZ millstones)))) (, ,) (CC and) (S (NP (JJS most) (NNS people)) (VP (VBP think) (PP (IN of) (S (VP (VBG grinding) (NP (NN grain)) (S (VP (TO to) (VP (VB make) (NP (NN flour)))))))))) (. .)))
Mention milling and millstones, and most people think of grinding grain to make flour.
(ROOT (S (NP (NN Ground) (NN tissue)) (VP (VBZ makes) (PRT (RP up)) (NP (NP (JJS most)) (PP (IN of) (NP (NP (DT the) (NN inside)) (PP (IN of) (NP (DT a) (NN plant))))))) (. .)))