Often, animals in a herd are thought to follow simple rules, such as
ɔ f ə n WORD_BOUNDARY æ n ɪ m ə l z WORD_BOUNDARY ɪ n WORD_BOUNDARY ʌ WORD_BOUNDARY h ɜː d WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY θ ɔ t WORD_BOUNDARY t ə WORD_BOUNDARY f ɑ l oʊ WORD_BOUNDARY s ɪ m p ə l WORD_BOUNDARY ɹ uː l z WORD_BOUNDARY s ʌ t̠ʃ WORD_BOUNDARY ʌ z WORD_BOUNDARY