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.

Q: Sentence: 'a couple of giraffes are standing in a grassy field'. Count the number of consonants in the given sentence.

A: 25
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Q: Sentence: 'this old washed out photo shows a couple of people with several horses in front of a silo and barn'. Count the number of vowels in the given sentence.

A: 31
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Q: Sentence: 'a green fire hydrant and a bus on the road'. Count the number of consonants in the given sentence.

A:
20
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