This is actually a Law on Obligations and Contracts subject. Please give an explanation and illustration if it is an Article. (I'm having a hard time understanding these things cause I'm very confused about these topics. I hope you can help me) Thank you so much in advance.

1. A and B entered into an absolutely simulated contract of the sale of a property. Explain the status of the contract.
2. In consideration of the P10,000 given by A to B, B agreed to kill the dog of C. Later, A told B that he is backing out of the agreement and asking the retrn of of money. Is A entitled to recover the money from B? Explain.
3. Explain the purpose of the Statute of Frauds.