Which statements are true regarding the safety policy of a company?

Question

Consider the goals of the safety policy of a company. At once designating also the responsibilities and authority for their achievement:

1. Safety of employees and the public at large
2. Efforts to be made to involve all managers,  supervisors and employees in the development and implementation of safety procedures
3. Clearing of all caveats that may tell on keeping the morale of the employees high

Which of the above statements are correct?

1. 1,2 and 3
2. 2 and 3 only
3. 1 and 2 only
4. 1 and 3 only