The given question might contain grammatical errors, typing mistakes, etc., or might not make sense in the context of the paragraph (for instance, it might not be related to the content of the paragraph or not be answerable at all). In such cases, the question is bad and indicates it by responding "Yes". If you could not find any issue in the given question, respond "No". There are only two types of responses possible:"Yes" and "No".
One example: Paragraph- Sent 1: It was hot that day.
Sent  2: The temperature on the wall of the backyard was showing something well over 100 F.
Sent  3: Meanwhile Tom, at home, was trying finish the remainder of carrots from last night, and packing for his trip to Chicago tomorrow.
Sent  4: As employees of the Art Museum, Tom and his older cousin often had to travel to Chicago. Question: What was the temperature outside, when Pom was eating carrots?.
Solution is here: Yes.
Explanation: It is easy to identify that there is a typing error ("Pom" should have been "Tom"). So, the correct response is "Yes".

Now, solve this: Paragraph- Sent 1: Hannah Harvey was a ten year old that had many friends in school.
Sent  2: She lived in New York and enjoyed doing gymnastics and playing soccer.
Sent  3: One day, Hannah came home from school and her parents greeted her.
Sent  4: She knew that something was different by the expressions on their faces.
Sent  5: Even Jackson, Hannah's dog, was acting different.
Sent  6: Hannah asked why everyone was being so strange.
Sent  7: Hannah's father, who was known as Pop, explained to Hannah that his job was forcing him to move.
Sent  8: Hannah did not seem to think this was too big of a deal.
Sent  9: Then, Hannah's mother explained that they were moving to Kenya.
Sent  10: Kenya, she explained, was a place in Africa and life would be very different there.
Sent  11: As Hannah began to cry thinking about all of her friends at home, Hannah's mother calmed her with a gentle touch.
Sent  12: Jackson began howling as Hannah cried, but was also calmed by Hannah's mother.
Sent  13: Hannah spent the next two weeks visiting her friends and saying her goodbyes.
Sent  14: She did not know the next time she would be home.
Sent  15: She cried very hard when she said goodbye to her best friend, Susan.
Sent  16: Susan did not quite understand where Kenya was, but promised to visit Hannah.
Sent  17: The next day, Hannah boarded a plane with her family.
Sent  18: At first, they thought that Jackson could not come with them.
Sent  19: However, Hannah worked hard and helped make sure that he had all of his shots so that he could come.
Sent  20: After he had them all, the airport said it was OK for Jackson to come!
Sent  21: The Harvey family left and off they went across the ocean to begin their new life in Kenya.? 
Question: If Susan is Hannah's best friend, why would she need to visit her?
Solution:
No.