Assertion: cookie's origin | /r/HasProperty | uncertain
Facets:
Source sentences:
text: The origins of the chocolate brownies is uncertain but it is felt that it was probably created by accident, the result of a forgetful cook neglecting to add baking powder to chocolate cake batter.
text: The exact origin of fortune cookies is unclear, though various immigrant groups in California claim to have popularized them in the early 20th century.
text: While the origin of the name is uncertain, there is one thing for sure; the biscuits are delicious and really easy to make.