The main idea is in the first sentence, so your answer should be 1.
The people will have journeyed to the center of the earth. I think this because it is the title. This is fantasy because the center of the earth is too hot to travel to. The people will probably get burnt next.
Answer: i agree
Explanation: It CAN apply to life. Practice is never perfect, and perfect practice doesnt always make Perfect. EXAMPLE; Albert Einstein, he was a bad kid in his school grades, but yet, he became the Most smartest man in the world. It took him a million tries to do (figure out) his work, it wasnt exactly perfect besides all the practice, but he managed. So yes, it can apply to life in some way, hope this helps.