Assertion: heart disease's symptom | /r/HasProperty | subtle
Facets:
value: very
type: DEGREE
value: sometimes
type: DEGREE
Source sentences:
text: Circulation found that more than 45 percent of all heart attacks are "silent," meaning the symptoms were so subtle, the person doesn't even know it happened.
text: Sometimes, these symptoms can be very subtle, or present as a silent heart attack, so it's important to check with your doctor if you're experiencing any symptoms out of the ordinary.