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.

[EX Q]: Sentence: 'an older man smiles while picking green bananas'. Count the number of vowels in the given sentence.
[EX A]: 15

[EX Q]: Sentence: 'this is a group of boys with their boards'. Count the number of vowels in the given sentence.
[EX A]: 12

[EX Q]: Sentence: 'a child is playing baseball on the field'. Count the number of consonants in the given sentence.
[EX A]:
21