Again, consider the highlighted sounds.

Bilabial Labiodental Alveolar Palatal Velar
Stop     b     t d       k  
Nasal   m       n   ɲ   ŋ
Fricative     f   s          
Central approximant               j    

Do the highlighted sounds above form a natural class?

Yes No

Correct! The highlighted sounds above do not form a natural class.

Now, if one of the five sounds highlighted above were removed from the set, the remaining sounds would form a natural class.

Which sound is it?

Correct! The sounds [m], [n], [ɲ], and [ŋ] form the natural class of nasal stops in Efik.

Now try the next problem!

Try again.

Try again.