You are a claims handler for an insurer. A liability insurance policyholder of the insurer owns and operates a school. The policyholder has notified you of an incident involving an injury to a pupil. The pupil accidentally fell through a glass door, shattering the glass and lacerating their right hand. The glass door was recently installed, as a replacement for a solid door, to provide extra light in a corridor. The policyholder used a contractor to install the glass door.

(a) Discuss the policyholder's potential liability for the injury to the pupil. Refer to one relevant statute in support of your answer. (12 marks)

(b) Explain, with justification, the potential liability of the contractor for the injury to the pupil. (8 marks)