Q--Could SNL be why Jenny McCarthy does not get along with her cousin?
A--My step-by-step reasoning: Jenny McCarthy is cousin's with Melissa McCarthy. Melissa McCarthy and Jenny McCarthy are not close and Melissa did not even attend Jenny's wedding. Jenny McCarthy was spoofed in n episode of SNL (Saturday Night Live) for a rant she did on The View. Melissa McCarthy has been a frequent guest on SNL (Saturday Night Live) from 2011-2017. Melissa McCarthy was nominated five times for a Primetime Emmy Award for Outstanding Guest Actress in a Comedy Series for her appearances on SNL.
So, the answer is yes.

Q--Are there enough people in the Balkans to match the population of Japan?
A--My step-by-step reasoning: There are approximately 55 million people in the Balkans. There are more than 125 million people in Japan.
So, the answer is no.

Q--Could someone have arrived at Wrestlemania X in a Toyota Prius?
A--My step-by-step reasoning: Wrestlemania X took place in 1994. The Toyota Prius was first manufactured in 1997.
So, the answer is no.

Q--Would Jimmy Vee be eligible to compete in the Paralympic Games?
A--
My step-by-step reasoning: Jimmy Vee is a dwarf. Dwarfism is defined as someone who is medically short-statured. Short stature due to a bone deficiency is one of the categories for paralympic athletes.
So, the answer is yes.