instruction:
In this task the focus is on physical knowledge about the world. Given the provided goal task in the input, describe a process that would lead to the asked outcome. This process often involves physical motions with objects, such as moving them, arranging them in a certain way, mixing them, shaking them, etc. 
question:
eat grapefruit
answer:
Using a small knife, cut the grapefruit in half.    Cut each half into wedges. Cut each half in half again and repeat until standard wedges are produced.    Cut along the rind to remove just the fruit.    Cut the wedge in half and remove the center pips.


question:
What type of chainsaw should I use to cut down a very thick tree?
answer:
A gas powered chainsaw should be used to cut down a very thick tree as it has more power and can be used for longer at a single time than an electric powered chainsaw.


question:
How can I clean my tennis shoes?
answer:

Apply toothpaste to an old toothbrush and then work the paste into the dirty spots then leave the toothpaste on the shoes for about ten minutes, and then wipe it off with a damp towel. Repeat the process if necessary.