\q1 \v=28 \v~=\w When|x-occurrence="1" x-occurrences="1"\w* \w a|x-occurrence="1" x-occurrences="2"\w* \w fool|x-occurrence="1" x-occurrences="2"\w* \w keeps|x-occurrence="1" x-occurrences="2"\w* \w silent|x-occurrence="1" x-occurrences="1"\w*, \w some|x-occurrence="1" x-occurrences="1"\w* \w may|x-occurrence="1" x-occurrences="1"\w* \w think|x-occurrence="1" x-occurrences="1"\w* \w he|x-occurrence="1" x-occurrences="2"\w* \w is|x-occurrence="1" x-occurrences="1"\w* \w very|x-occurrence="1" x-occurrences="1"\w* \w wise|x-occurrence="1" x-occurrences="1"\w*; \¬q1 \q2 \p~<