Based on the context and the answer, generate a question. 

Context: Second one was downright weird . Probably due to the english comprehension piece with chemistry in it . Looking out the windows , i saw that the world had filled up with white smoke , which then turned pink , red , yellow , green & i could n't bear to watch anymore & ran into my room screaming and barricaded the door . The last i saw , the world was shrouded in a blue cloud .

Answer:

I am describing a dream I had .



What may be what I am describing in the post ?