Which best describes the physical and chemical digestion of food?

Physical and chemical digestion occur in the mouth; only chemical digestion occurs in the small intestine.
Physical and chemicall digestion occur in the small intestine; only chemical digestion occurs in the mouth.
Only physical digestion occurs in the stomach; chemical and physical digestion occur in the large intestine.
Only physical digestion occurs in the large intestine; physical and chemical digestion occur in the stomach.