Assertion: birthday party's birthday | /r/HasProperty | reason
Facets:
value: definitely
type: DEGREE
value: certainly
type: MANNER
value: for celebration
type: PURPOSE
Source sentences:
text: Any birthday is a reason to celebrate, but having a birthday party as an adult is especially exciting.
text: While each and every birthday is certainly a cause for celebration, there are a few milestone ages where a proper birthday party is essential.
text: A 35th birthday is definitely a reason to celebrate.