\q1 \v=2 \v~=\w People|x-occurrence="1" x-occurrences="1"\w* \w dig|x-occurrence="1" x-occurrences="1"\w* \w iron|x-occurrence="1" x-occurrences="1"\w* \w ore|x-occurrence="1" x-occurrences="1"\w* \w out|x-occurrence="1" x-occurrences="1"\w* \w of|x-occurrence="1" x-occurrences="1"\w* \w the|x-occurrence="1" x-occurrences="1"\w* \w ground|x-occurrence="1" x-occurrences="1"\w*, \¬q1 \q2 \p~<