Sentence:  In most sports , as in <WSD>most</WSD> walks of life , the angels are on the side of those who begin young , and the Russian competitor of 16 has at least thirteen years of training behind him . 
Meaning of the word marked with <WSD> tags:  the superlative of `much' that can be used with mass nouns and is usually preceded by `the'; a quantifier meaning the greatest in amount or extent or degree