\v=2 \v~={\w When|x-occurrence="1" x-occurrences="1"\w* \w they|x-occurrence="1" x-occurrences="2"\w* \w arrived|x-occurrence="1" x-occurrences="1"\w*,} \w they|x-occurrence="2" x-occurrences="2"\w* \w discovered|x-occurrence="1" x-occurrences="1"\w* \w that|x-occurrence="1" x-occurrences="2"\w* \w somebody|x-occurrence="1" x-occurrences="1"\w* \w had|x-occurrence="1" x-occurrences="2"\w* \w rolled|x-occurrence="1" x-occurrences="1"\w* \w away|x-occurrence="1" x-occurrences="1"\w* \w the|x-occurrence="1" x-occurrences="3"\w* \w stone|x-occurrence="1" x-occurrences="1"\w* {\w that|x-occurrence="2" x-occurrences="2"\w* \w had|x-occurrence="2" x-occurrences="2"\w* \w been|x-occurrence="1" x-occurrences="1"\w* \w closing|x-occurrence="1" x-occurrences="1"\w* \w off|x-occurrence="1" x-occurrences="1"\w* \w the|x-occurrence="2" x-occurrences="3"\w* \w entrance|x-occurrence="1" x-occurrences="1"\w*} \w to|x-occurrence="1" x-occurrences="1"\w* \w the|x-occurrence="3" x-occurrences="3"\w* \w burial|x-occurrence="1" x-occurrences="1"\w* \w chamber|x-occurrence="1" x-occurrences="1"\w*. \¬v