3. Study the following data in Nigeria (Elimelech 1976). Nigeria is a tone language. Note that the tone marker
over the vowel in /5/ refers to a low tone whereas the one in // refers to a high tone, and /6/ means a high-
low (falling) tone.
【題組】(c)Why does the low tone in a sequence of low-tone syllable become a falling tone? Work on your
analysis (10%).