Reflex refers to the regular response of the animal or human body to changes in the internal and external environment with the participation of the central nervous system. Which of the following are not reflective? ['Human hand retracts immediately when it touches a burning candle.', 'Reach out and touch the leaves of Mimosa.', "Pavlov's experiments on dogs, the dog secretes saliva when rattles, even if no food is provided.", 'The cat chased after seeing the mouse, although not hungry.']