Assertion: broccoli's chemical | /r/CapableOf | block the enzyme
Facets:
Source sentences:
text: This chemical blocks the enzyme that causes joint destruction.
text: A 2013 study at the University of East Anglia found that broccoli's sulforaphane may help people suffering from arthritis because this chemical "blocks the enzymes that cause joint destruction by stopping a key molecule known to cause inflammation.
text: This chemical blocks the enzyme that causes joint destruction.