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: 'a model plane is flying through a cloudy sky'. Count the number of consonants in the given sentence.
[EX A]: 24

[EX Q]: Sentence: 'a brown dog greeting a lamb on a green field'. Count the number of vowels in the given sentence.
[EX A]: 14

[EX Q]: Sentence: 'a single zebra standing in the middle of a pen'. Count the number of consonants in the given sentence.
[EX A]:
23