The first answer choice- when the words quoted are specific and unique.
Passage 4, because a functional text is “a short text that has particular meaning and purpose, and can be used in our daily life”. Passage 1 is informative, 2 & 3 are quotes from literature, but passage 4 is a set of instructions.
The films are usually more comical and easier to understand. I think, I've only read the book twice.
