( ( ( ( ( Fiberglass ( ( ( expands and ) contracts ) ( with ( ( heat and ) cold ) ) ) ) , ) so ) ( ( that ( just ( filling ( ( the hole ) ( with putty ) ) ) ) ) ( ( wo n't ) ( seal it ) ) ) ) . )
(ROOT (S (S (NP (NNS Fiberglass)) (VP (VBZ expands) (CC and) (VBZ contracts) (PP (IN with) (NP (NN heat) (CC and) (NN cold))))) (, ,) (IN so) (S (NP (NP (DT that)) (VP (ADVP (RB just)) (VBG filling) (NP (NP (DT the) (NN hole)) (PP (IN with) (NP (NN putty)))))) (VP (MD wo) (RB n't) (VP (VB seal) (NP (PRP it))))) (. .)))
Fiberglass expands and contracts with heat and cold, so that just filling the hole with putty won't seal it.
(ROOT (S (NP (NP (DT The) (NN liquid)) (PP (IN in) (NP (DT a) (NN thermometer)))) (VP (VP (VBZ expands)) (CC or) (VP (VBZ contracts) (S (VP (TO to) (VP (VB respond) (PP (TO to) (NP (NN heat) (CC or) (NN cold)))))))) (. .)))