Final answer:
Hawaii law prohibits leaving a child unattended in a motor vehicle by any adult passenger for five minutes or longer if the child is under the age of nine.
Step-by-step explanation:
Hawaii law prohibits leaving a child unattended in a motor vehicle if any adult passenger of the motor vehicle leaves the child alone for five minutes or longer.
This law applies to children under the age of nine. Therefore, leaving a child unattended in a motor vehicle is prohibited for any adult passenger, if the child is under the age of nine, and if the child is left alone for five minutes or longer.
So the correct answer is Option 4: All of the above.