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

Sentence: 'a woman is holding a bowl of green brocolli'. Replace the letter 'o' with 'w' in the sentence.
a wwman is hwlding a bwwl wf green brwcwlli

Sentence: 'a woman standing in front of a bear in an enclosure'. Replace the letter 'e' with 'r' in the sentence.
a woman standing in front of a brar in an rnclosurr

Sentence: 'a living room with a christmas tree in it'. Replace the letter 'h' with 'k' in the sentence.

a living room witk a ckristmas tree in it