Question based on Spontaneity of a process

The sole criterion for the spontaneity of a process is

Assertion (A): The thermodynamic factor which determines the spontaneity of a process is the free energy. For a process to be spontaneous the free energy must be-ve. Reason (R ) : The change in free energy is related to the change in a process must always be positive if its is spontaneous.

Explain entropy and spontaneity of the process.

For spontaneous process:

Criteria for spontaneity of process is :-