What is the effect if there is an illegal and impossible condition in a simple donation?

• A. The illegality or impossibility of the condition will annul not only the condition but also the obligation even if the impossible condition is a condition not to do.
• B. The illegality or impossibility of the condition will annul not only the condition but also the obligation unless the impossible condition is a condition not to do.
• C. The donation is valid because the illegal or impossible condition is simply considered as not impose
• D. Hence, the condition is void but the donation is valid.