( ( Ear infections ) ( ( are ( ( more ( commons ( in ( ( ( dogs ( with ( lop ears ) ) ) or ) ( ( hair-filled ( ear canals ) ) ( as opposed ) ) ) ) ) ) ( to ( dogs ( with ( upright ( or ( erect ears ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN Ear) (NNS infections)) (VP (VBP are) (ADJP (ADJP (RBR more) (JJ commons) (PP (IN in) (NP (NP (NP (NNS dogs)) (PP (IN with) (NP (NN lop) (NNS ears)))) (CC or) (NP (NP (JJ hair-filled) (NN ear) (NNS canals)) (ADJP (RB as) (VBN opposed)))))) (PP (TO to) (NP (NP (NNS dogs)) (PP (IN with) (NP (JJ upright) (CC or) (JJ erect) (NNS ears))))))) (. .)))
Ear infections are more commons in dogs with lop ears or hair-filled ear canals as opposed to dogs with upright or erect ears.
(ROOT (NP (NP (NP (DT The) (NN hair) (NNS cells) (NN sense)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-))) (NP (NP (DT the) (NN movement)) (PP (IN of) (NP (ADJP (JJ liquid) (PP (IN in) (NP (NN ear)))) (NNS canals)))) (. .)))