Assertion: happiness | /r/HasProperty | little difficult
Facets:
value: often
type: TEMPORAL
Source sentences:
text: With so many takes on happiness, it’s no wonder that happiness is a little difficult to define scientifically; there is certainly disagreement about what, exactly, happiness is.
text: The real truth is that happiness is often subjective and difficult to measure.
text: Good, because I’m going to add yet another reason why happiness is such a difficult thing to measure!