In this task, you need to count the number of vowels (letters 'a', 'e', 'i', 'o', 'u') / consonants (all letters other than vowels) in the given sentence.

Sentence: 'a brown and red hen with feathers on grass'. Count the number of vowels in the given sentence.
11

Sentence: 'a wooden board with many pieces of food on the top'. Count the number of vowels in the given sentence.
17

Sentence: 'a man wearing a jacket is talking on a phone'. Count the number of consonants in the given sentence.

20