Assertion: mortar's ingredient | /r/HasProperty | lime
Facets:
value: during the middle ages
type: TEMPORAL
Source sentences:
text: During the Middle Ages when the Gothic cathedrals were being built, the only active ingredient in the mortar was lime.
text: The ingredients used in mortar are water, cement, lime, and fine aggregates like sand.
text: The mortar mix you see used by brick layers today contains two ingredients: lime and Portland cement.
text: During the Middle Ages when the Gothic cathedrals were being built, the only active ingredient in the mortar was lime.