$5.$ Regarding water rights, which of the following are true?

a$.$ The Riparian Doctrine is based on equality of rights and reasonable use.

b$.$ The Prior Appropriation Doctrine is a water allocation policy where the first to use the water gets the water rights.

c$.$ The Centerline Rule says that for landowners with adjoining streams and rivers, ownership of the land beneath these waters is subject to the centerline of the river or stream.

d$.$ All of the above.

e$.$ None of the above.