1. Define or give the meaning of the following:
   • Object of contract
   • Cause of contract
   • Form of contract
   • Informal and Solemn contract
   • Reformation
   • Rescissible contracts
   • Voidable/annullable contracts
   • Unenforceable contracts
   • Void or inexistent contacts
   • Statute of Frauds
2. What are the possible objects of a contract? What are the requisites of things as object of a contract?
3. What is the cause of contracts? Distinguish cause from object.
4. What are the classifications of contracts according to cause?
5. What contracts are required by law to appear in public document?