When reducing the functional cusp, one should hold the handpiece: ?

When reducing the functional cusp, one should hold the hand piece in the plane of the functional cusp. In addition, functional cusps are cusps that block with the opposite teeth in centric obstruction. In normal obstruction the lingual cusps of the higher posterior teeth and the buccal cusps of the lower posterior teeth.

The complete question is -

Assume that you and 10 of your friends are stuck on a deserted island. No one is coming to get you. So, you have no option other than to adjust to this new life. Answer these questions about what you might do in this situation. Part A There are fruit trees on the island. Everyone spends an equal number of hours collecting fruit. How do you decide how much fruit each person gets?

The correct answer is - Everyone gets only the fruit he or she personally collected.

Explanation:

In this setting, there are 11 people stuck on an island, each and everyone is equally contributed the same number of hours in collecting fruits. However,  each person spends the same time but can be collect equal, less or more fruits. Thus, the fruits should be distributed how much each work for collecting fruits.

Thus, The correct answer is - Everyone gets only the fruit he or she personally collected.