Logic Problem

• Xena, and O'Neal often watch fights at the horse trainer's place.
• The person who sold 17 golf clubs lives in the same building as Lindros and Ralph.
• The person who sold 17 golf clubs, Lindros and Harriett all went to the The person who sold 7 golf clubs, O'Neal, and the postal worker have known each other for years.
• The person who sold 7 golf clubs, O'Neal, and the postal worker have known each other for years.
• Harriett, the person who sold 5 golf clubs, and the nurse go shopping together on Saturdays.
• The person who sold 7 golf clubs, Lindros, and the nurse have known each other for years.
• Wallace wasn't the person who sold 5 golf clubs. Neither did Y.C. nor the banker.
• The person who sold 7 golf clubs lives in the same building as Ewing and Y.C..
• Xena, and Wallace often watch fights at the nurse's place.
• Wallace isn't the nurse or the person who sold 8 golf clubs.
• Ralph, and O'Neal often watch fights at the postal worker's place.
• The postal worker, the person who sold 5 golf clubs, didn't want a copy of Ewing's book.
• The person who sold 17 golf clubs, Ewing and Xena all went to the Xena, who is not O'Neal, is the banker's cousin.
• Xena, who is not O'Neal, is the banker's cousin.
• Xena went with O'Neal to the amusement park one day. The person who was the horse trainer. All four people are mentioned in this clue.
• The horse trainer isn't Y.C. O'Neal.
• The nurse, whose first name is Y.C., wasn't the person who sold 8 golf clubs.
• The nurse, who sold 17 golf clubs, isn't Ewing.