Assertion: bipolar disorder | /r/HasProperty | hard to diagnose
Facets:
value: often
type: TEMPORAL
value: because of its irregular patterns
type: CAUSE
Source sentences:
text: Bipolar disorder can be hard to diagnose, but there are signs or symptoms that you can look for.
text: Bipolar disorder can be hard to diagnose, he says, because people often seek professional help only during their down periods and neglect to mention their up, or manic, periods.
text: Because of its irregular patterns, bipolar disorder is often hard to diagnose.