Assertion: sign language's structure | /r/HasProperty | grammatical
Facets:
Source sentences:
text: There are a number of communication systems that are similar in some respects to sign languages, while not having all the characteristics of a full sign language, particularly its grammatical structure.
text: As with any second language, sign language has its own unique history, culture and grammatical structure, making the translation from signing to writing in standard English a significant challenge.