It is an exclamatory sentence it should end in (!)
Event that I heard on the news and book I appreciate
In this case, the appropriate thesis statement using the "limited subject + precise opinion" formula is the sentence "Pets are cool."
Answer : The lines when they were leaving the island, Zaroff rebuffs request f Rainsford and says, "You've only just come. You've had no hunting--"
Then Rainsford replied by shooking his head. "No general.... I will not hunt"
These were the two sentences that clearly shows that Zaroff already decided that Rainsford will not be his hunting partner but rather a huntee.