Assertion: diphthong's vowel | /r/HasProperty | characterized by three different criteria
Facets:
value: generally
type: MANNER
Source sentences:
text: Vowels are generally characterized by three different criteria: the position of the tongue in the mouth relative to the roof of the mouth (height), the position of the tongue in either the front or back of the mouth (backness), and the shape of the lips as the vowel sound is being made (roundedness).