How will that compare to the number who would buy the same product but with a  short  pant length?
( How ( ( ( will that ) ( compare ( to ( ( the number ) ( who ( would ( ( buy ( the ( same product ) ) ) ( but ( with ( a ( short ( pant length ) ) ) ) ) ) ) ) ) ) ) ) ? ) )
(ROOT (SBARQ (WHADVP (WRB How)) (SQ (MD will) (NP (DT that)) (VP (VB compare) (PP (TO to) (NP (NP (DT the) (NN number)) (SBAR (WHNP (WP who)) (S (VP (MD would) (VP (VB buy) (NP (DT the) (JJ same) (NN product)) (PP (CC but) (PP (IN with) (NP (DT a) (JJ short) (NN pant) (NN length)))))))))))) (. ?)))
What is the comparison to the amount that would purchase the product but with a short pant length instead.
( What ( ( is ( ( the comparison ) ( to ( ( the amount ) ( that ( ( ( would ( purchase ( the product ) ) ) but ) ( ( with ( a ( short ( pant length ) ) ) ) instead ) ) ) ) ) ) ) . ) )
(ROOT (SBARQ (WHNP (WP What)) (SQ (VBZ is) (NP (NP (DT the) (NN comparison)) (PP (TO to) (NP (NP (DT the) (NN amount)) (SBAR (WHNP (WDT that)) (S (VP (VP (MD would) (VP (VB purchase) (NP (DT the) (NN product)))) (CC but) (VP (PP (IN with) (NP (DT a) (JJ short) (NN pant) (NN length))) (ADVP (RB instead)))))))))) (. .)))