Four people (Sean, Tammy, Bill, and Harriett) with last names Iverson, Quail, Kaufman, and Forsberg, each collected a number of dogs.
Each person was of a different occupation: undergraduate student, valet, salesman, and janitor.
If each person collected one of the following amounts of dogs, (8, 15, 13, and 14) can you figure out the first name, last name, and how many dogs each person collected?
Iverson and Sean aren't the person who collected 15 dogs.
Sean, Quail, and Harriett were not the person who collected 14 dogs.
Kaufman isn't the undergraduate student or the person who collected 8 dogs.
Sean went with Forsberg to the amusement park one day.
The person who was the janitor. All four people are mentioned in this clue.
Quail isn't the janitor or the person who collected 15 dogs.
The janitor, who collected 14 dogs, isn't Quail.
Bill, and Kaufman often watch fights at the undergraduate student's place.
The person who collected 13 dogs lives in the same building as Quail and Bill.
The salesman, the person who collected 13 dogs, didn't want a copy of Quail's book.
The salesman, whose first name is Sean, wasn't the person who collected 8 dogs.
The person who collected 8 dogs, Forsberg and Sean all went to the salesman's surprise birthday party.
Place a N in any square that is a definite "no" and a Y in any square that is a definite "yes". I give up!