... behind both of these hypotheses is that, just as individual words can be content- rich or content- poor, the same can hold for blocks of parts of speech According to our first hypothesis, POS blocks ... hypothesis, POS blocks can be categorized as content- rich or content- poor, on the basis of the part of speech class membership of their individual components Specifically, we hypothesise that the ... on the causes of the lack of 533 Content Load is strictly less than zero, we consider the POS block content- poor We assume an underlying equivalence of content in all open class parts of speech, ...