A person could be liable for the tort of trespass:
a. If, in the middle of the night, he was carried onto the neighbour’s property and thrown in their pool.
b. If he lost control of his bike and accidentally went onto his neighbours property and into their pool.
c. If he stood in the lane and threw a tire in the pool.
d. For swimming in the pool with the owner’s permission.
e. For delivering a package to the owner at pool side as instructed by the owner.