Assertion: fern's system | /r/HasProperty | vascular
Facets:
Source sentences:
text: Horsetails are related to ferns in that they have a vascular system.
text: Both ferns and flowering plants have roots and a vascular system that transports water and nutrients around the plant, although flowering plants have a much more advanced system.
text: Although ferns share a common bond with flowering plants because of their vascular systems, they have dissimilar features because of their reproductive methods.