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: 'an older man smiles while picking green bananas'. Count the number of vowels in the given sentence.
15

Sentence: 'two green mugs are designed with frosted dog and cat emblems'. Count the number of consonants in the given sentence.
33

Sentence: 'a very nice looking living room with pretty furniture'. Count the number of vowels in the given sentence.

17