( ( Scratching ( of ( the ( mirror surface ) ) ) ) ( ( will ( otherwise ( ( almost certainly ) result ) ) ) . ) )
(ROOT (S (NP (NP (NN Scratching)) (PP (IN of) (NP (DT the) (NN mirror) (NN surface)))) (VP (MD will) (VP (ADVP (RB otherwise)) (ADVP (RB almost) (RB certainly)) (VB result))) (. .)))
Scratching of the mirror surface will otherwise almost certainly result.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (DT the) (NN water)) (VP (VBP vapor) (PP (IN from) (NP (DT a) (JJ hot) (NN shower) (NNS contacts))) (NP (NP (DT the) (JJR cooler) (NN surface)) (PP (IN of) (NP (DT a) (NN mirror))))))) (, ,) (NP (DT the) (NN result)) (VP (VBZ is) (SBAR (IN that) (S (NP (NNP foggy)) (VP (VBP mirror))))) (. .)))