# R1
(example (utterance "housing unit whose neighborhood is chelsea"))
(example (utterance "housing unit whose housing type is apartment"))

# R2
(example (utterance "housing unit that allows cats"))
(example (utterance "housing unit that allows dogs"))

# R3
(example (utterance "housing unit whose size is at least 800 square feet"))

(example (utterance "number of housing type"))
