Feeling
Vedanā Sutta  (SN 25:5)

Near Sāvatthī. “Monks, feeling born of eye-contact is inconstant, changeable, alterable. Feeling born of ear-contact.… Feeling born of nose-contact.… Feeling born of tongue-contact.… Feeling born of body-contact.… Feeling born of intellect-contact is inconstant, changeable, alterable…