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 bird sitting on a tree branch with a berry in its mouth'. Count the number of consonants in the given sentence.
29

Sentence: 'little boy stands atop the flatbed truck parked in the field'. Count the number of vowels in the given sentence.
16

Sentence: 'a train that is on a train track near a city'. Count the number of consonants in the given sentence.

20