The conditioned stimulus in this case is "camping".
A conditioned stimulus is a substitute improvement that triggers indistinguishable reaction in a life form from an unconditioned stimulus. Basically, a conditioned stimulus influences a living being to respond to something since it is related with something unique. Conditioned stimuli start as neutral stimuli that don't illegal a reaction until the point when molding has happened by means of rehashed incitement. As such, the reaction is found out after some time. After repeated presentation, the neutral stimulus winds up combined with the unconditioned reaction and turns into a conditioned stimulus.