Answer:
The most relevant details are the time and location of the event and the town’s history with the firework show.
Okay so you just replace certain words in the sentences with the words in the brackets. For example, in the 2nd question you rewrite the sentence as Looking after animals is *far more* time consuming than looking after children. Hope this helps! :D
I believe the correct answer is A) self-assured but inexperienced, but I am not 100% sure.