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

Sentence: 'a patio filled with white tables and chairs covered with umbrellas'. Replace the letter 'o' with 'e' in the sentence.
a patie filled with white tables and chairs cevered with umbrellas

Sentence: 'a truck transports things down the road'. Replace the letter 'd' with 's' in the sentence.
a truck transports things sown the roas

Sentence: 'grey and white cat standing on top of a grey box'. Replace the letter 'h' with 'f' in the sentence.

grey and wfite cat standing on top of a grey box