(I. On a piping hot summer's day Harry parked his car as usual in a car park owned and operated by Parking Ltd. On entering the car park an obscured sign was hidden behind some of the growth which had been bursting forth this glorious summer. When he came back the car was damaged and the attendant had no explanation but pointed out that the sign partially obscured said "All cars at owners risk". Henry replied that he didn't own the car - it was rented - but he was responsible for the damage under the rental contract and that the sign could not be read. What if Henry used the park regularly