Assertion: parent's child | /r/CapableOf | fail to develop language skills
Facets:
value: properly
type: MANNER
value: by a certain time
type: TEMPORAL
Source sentences:
text: Language development is a well-known example of an accomplishment that research has shown begins during a critical period, meaning that if a child’s brain gets no language input from parents and others[v] by a certain time, the child will fail to develop language skills properly.