Assertion: lemon peel's vitamin c | /r/HasProperty | involved in producing protein collagen
Facets:
Source sentences:
text: Vitamin C is also involved in producing protein collagen, which is an essential building block for our cartilage, ligaments, tendons, skin, and blood vessels.
text: Vitamin C is also involved in producing protein collagen, which is an essential building block for our cartilage, ligaments, tendons, skin, and blood vessels.