Assertion: basil's stem | /r/HasProperty | purple
Facets:
Source sentences:
text: The flowers and stems are purple and the plant has small and pointy leaves.
text: It has a purple stem which is square in shape.
text: Sweet basil is light green with wide leaves while Thai basil has purple stems and flowers and spear-like leaves
text: Thai basil has a purple stem, and like other plants in the mint family, the stem is square.