Quiz on בבא בתרא נז

Reuven and Levi signed a document; Reuven died. Levi's brother and a stranger testified on Reuven's signature. Does this validate the Shtar?
1. Yes.
2. No.
3. Only a sale document.
4. Machlokes A&B.
5. Machlokes A&C.
Non-partner builds a wall in a courtyard. Does this constitute ownership?
1. Yes.
2. No.
3. Safek.
4. Machlokes A&B.
5. Machlokes A&C.
Non-partner sets up an oven in a courtyard. Does this constitute ownership?
1. Yes.
2. No.
3. Safek.
4. Machlokes A&B.
5. Machlokes A&C.
Partners (in a Chatzer) vowed not to benefit from each other. May they use the back of the Chatzer?
1. Yes.
2. No.
3. Safek.
4. Machlokes A&B.
5. Machlokes A&C.
Partners can object against each other regarding any use of the Chatzer.
1. True.
2. False. Any common use allowed.
3. Except laundry.
4. Machlokes A&B.
5. Machlokes A&C.
What is under the bed of a Chacham?
1. His students.
2. His shoes.
3. Nothing.
4. A Sefer.
5. Two Seforim.