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

Sentence: 'a woman is on skis riding down the snow covered sloped'. Replace the letter 'd' with 'q' in the sentence.
a woman is on skis riqing qown the snow covereq slopeq

Sentence: 'this is a seafood platter with lobster and corn on the cob'. Replace the letter 't' with 'z' in the sentence.
zhis is a seafood plazzer wizh lobszer and corn on zhe cob

Sentence: 'a red train sitting underneath a hangar on top of train tracks'. Replace the letter 'o' with 'u' in the sentence.

a red train sitting underneath a hangar un tup uf train tracks