Consider the following statements:

The accused at the time of committing the act because of intoxication, which was administered to him without his knowledge or against his will is incapable of knowing 

1. The nature of the act.

2. That the act is wrong or contrary to the law.

3. That the act is not immoral or wrong.

4. That the act which may be of nature which may be ignored.

To claim the benefit of section 85 which of the above need to be proved?