Assertion: chin | /r/CapableOf | protect the jaw
Facets:
value: against stresses
type: TRANSITIVE-OBJECT
Source sentences:
text: Ionut Ichim, a Ph.D. student at the University of Otago in New Zealand, and colleagues suggested in the journal Medical Hypotheses in 2007 that the chin evolved in response to our unique form of speech, perhaps protecting the jaw against stresses produced by the contraction of certain tongue muscles.