In paragraph 1 the author uses hyperbole-characteized by the use of exaggeration for effect-to describe the piranha the author most likely uses hyperbole to
-frame an argument that is supported in a later paragraph
-create ambiguity so the reader cannot be sure which position the writer supports
-juxtapose the myth of the pieanha with the truth about the fish
-evoke vivid images of nature television shows in the reader's mind