Assertion: shallot's onion | /r/HasProperty | need
Facets:
Source sentences:
text: Since onions are shallow rooted and need constant moisture to develop well, a well-balanced fertilizer should be worked in before planting.
text: If you are deciding whether to cook with shallots or onion, often you will find that if a recipe states that just a little onion is needed, then the shallot will be an excellent substitute.