True or False

1. A seller of goods may be liable for damages if the buyer alleges substantial performance possible defense to a breach of contract claim is impossibility of performance

2. If a buyer in a real estate contract breaches the agreement the seller may demand specific performance.

3.A creditor can take a security interest in a debtor's inventory.

4. A waiver is the knowing relinquishment of a legal right

5. Under the UCC a judge could refuse to enforce parts of a contract if he or she finds them unconscionable