answer and explain the following

1. Tsuyu and Ochaco entered into an oral agreement, where the former will give the latter 20 Funko Pops on March 15, 2021 and the latter will give the former 20 NBA Player Cardson March 16, 2022. Is the oral contract valid or defective? If it is defective, what kind of defective contract is it? Explain.

2. Ross, 17 years of age, represented himself to be 21 to Chandler in order to lure the latter to enter into a contract of sale with him. Ross even presented a fake ID showing that he is already 21 years of age. The contract is for the sale of a Harley-Davidson Low Rider for P1.4M. Is the contract of sale valid or defective? If it is defective, what kind of defective contract is it? Explain

3. Sirius was indebted to Snape in the amount of P5,000,000. For failure to pay the debt, a case was filed against Sirius. To avoid paying the debt, Sirius entered into a contract of sale with Voldemort involving the former's house for the amount of P10,000. However, no real transfer of title on the house really happened between Sirius and Voldemort, as Sirius continued to be in possession the house. What is the status of the contract between Sirius and Voldemort? Explain.