Assertion: mortar | /r/HasProperty | useful
Facets:
value: for holding bricks
type: PURPOSE
value: in pond building
type: LOCATION
Source sentences:
text: Mortar can be useful in pond building.
text: Both these substances have distinct purposes, such as cement is activated with water and forms a bond with other elements to form one solid object, whereas mortar is useful for holding bricks or stone together, and cannot stand alone like concrete.