Complex sentence: Fly fishing is an angling method to catch fish in which an artificial fly, that distinctley resemble live or dead bait, is cast by using a fly rod, reel, and a relatively heavier oiled or treated line than the traditional spincast line.
Split into simpler sentences: Fly fishing is an angling method to catch fish in which an artificial fly, that distinctley resemble live or dead bait. The fly line is cast by using a fly rod, reel, and a relatively heavier oiled or treated line than the traditional spincast line.