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 person is riding a bicycle with a basket and umbrella through a city street'. Count the number of consonants in the given sentence.
[EX A]: 40

[EX Q]: Sentence: 'elephant herd, in a line, walking across savanna'. Count the number of vowels in the given sentence.
[EX A]: 15

[EX Q]: Sentence: 'a person that is on his cell phone'. Count the number of vowels in the given sentence.
[EX A]:
10