need some help and explanation

Statement 1: Failure to pay the price in full within a fixed period invalidates the contract of sale. Statement 2: Decayed food unfit for consumption cannot be the subject of a contract of sale. a. Only the first statement is true b. Only the second statement is true c. Both statements are true d. Neither of the statements is true Statement 1: It is essential in order for a sale to be valid that the vendor must be able to transfer ownership. Statement 2: If the subject matter of the sale is illicit, the contract is void. a. Only the first statement is true b. Only the second statement is true C. Both statements are true d. Neither of the statements is trueStatement 1: A thing is generic even if it is particularly designated or physically segregated from all others of the same class. Statement 2: Sale, being a consensual contract, it is perfected by mere consent, and ownership by the seller of the thing sold is not an element for its perfection. Only the rst statement is true Only the second statement is true Both statements are true Neither of the statements is true seep: Statement 1: A thing is generic even if it is particularly designated or physically segregated from all others of the same class. Statement 2: Sale, being a consensual contract. it is perfected by mere consent. and ownership by the seller of the thing sold is not an element for its perfection. Only the rst statement is true Only the second statement is true Both statements are true Neither of the statements is true 515" 9'!\" Statement 1: Emptio rei speratae Is the sale of a thing not yet in existence subject to the condition that the thing will exist. Statement 2: Emptio rei speratae Is the sale of the hope itself that the thing will come into existence. Only the rst statement is true Only the second statement is true Both statements are true Neither of the statements Is true 515157!\