Jack bought itself/ himself a new phone

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

Nature is a recurring theme in early american literature. what view of nature does phillis wheatley provide in "an hymn to the evening"

Using context clues read the sentence, then use context clues to determine the definition of parameters. setting clear parameters, such as rules, guidelines, or instructions, people understand what is expected of them. what is the definition of parameters? which type of context clue is used in the sentence?