In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a close up of a grassy beach showing an umbrella and wind board'. Replace the letter 'a' with 'f' in the sentence.
f close up of f grfssy befch showing fn umbrellf fnd wind bofrd

Sentence: 'a man in a baseball cap watching something in the air'. Replace the letter 'g' with 'o' in the sentence.
a man in a baseball cap watchino somethino in the air

Sentence: 'an airplane and a baggage trolley on the tarmac'. Replace the letter 'l' with 'm' in the sentence.

an airpmane and a baggage trommey on the tarmac