Assertion: verb's vowel | /r/CapableOf | verb in that language
Facets:
Source sentences:
text: Though isiZulu has five vowel phonemes (plus two allophones), vowel verbs in that language may only begin with the vowels /ɑ/ , /ɔ/ , and /ɛ/ (written 'a', 'o', and 'e' respectively in its orthography).