\v=7 \v~=\w But|x-occurrence="1" x-occurrences="1"\w* \w they|x-occurrence="1" x-occurrences="1"\w* \w did|x-occurrence="1" x-occurrences="1"\w* \w not|x-occurrence="1" x-occurrences="1"\w* \w have|x-occurrence="1" x-occurrences="2"\w* \w any|x-occurrence="1" x-occurrences="1"\w* \w children|x-occurrence="1" x-occurrences="3"\w*, \w because|x-occurrence="1" x-occurrences="1"\w* \w Elizabeth|x-occurrence="1" x-occurrences="1"\w* \w had|x-occurrence="1" x-occurrences="1"\w* \w been|x-occurrence="1" x-occurrences="1"\w* \w unable|x-occurrence="1" x-occurrences="1"\w* \w to|x-occurrence="1" x-occurrences="2"\w* \w bear|x-occurrence="1" x-occurrences="1"\w* \w children|x-occurrence="2" x-occurrences="3"\w*. \w And|x-occurrence="1" x-occurrences="1"\w* \w now|x-occurrence="1" x-occurrences="1"\w* \w she|x-occurrence="1" x-occurrences="1"\w* \w and|x-occurrence="1" x-occurrences="1"\w* \w her|x-occurrence="1" x-occurrences="1"\w* \w husband|x-occurrence="1" x-occurrences="1"\w* \w were|x-occurrence="1" x-occurrences="1"\w* \w too|x-occurrence="1" x-occurrences="1"\w* \w old|x-occurrence="1" x-occurrences="1"\w* \w to|x-occurrence="2" x-occurrences="2"\w* \w have|x-occurrence="2" x-occurrences="2"\w* \w children|x-occurrence="3" x-occurrences="3"\w*. \¬v \¬p