Answer:
First, the hunter calls Phoenix "Granny." She is very old and this might have been a term of endearment. But given the hunter's overall treatment of Phoenix, the term "Granny" is probably intended with condescension. He does help her up, but he also belittles her.
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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.
Assuming this is still referring to Hemmingway's style, the proper terms would be theme and description, although he was known a lot for his simplicity as well.
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