This question has options. How would someone go about accomplishing this goal?
What type of chainsaw should I use to cut down a very thick tree?

OPT:
[i] An electric 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 a gas powered chainsaw..
[ii] 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..
[ii]