Q: Keywords: elf, gift, holiday
What is a sentence that includes all these keywords?

A: my little elf is caught in the act of bringing gifts to someone special for western christian holiday .

Q: Keywords: cliff, cloud, fall
What is a sentence that includes all these keywords?

A: the next day a second cliff fell causing a huge cloud of chalk to appear

Q: Keywords: building, fog, obscure
What is a sentence that includes all these keywords?

A:
building is almost obscured by a layer of fog