In each question below, a sentence is given, divided into five parts (1, 2, 3, 4, 5) which when rearranged will form a logical and coherent sentence. One of the parts does not belong to the sentence. Identify the part that does not belong and rearrange the remaining parts to form a meaningful sentence. Choose the correct arrangement.  1. creating an inescapable gravitational singularity where the established laws of classical physics completely break down   ​2. stripping away immense quantities of stellar material and accelerating it to near relativistic velocities   ​3. synthetic polymers synthesized from petroleum byproducts take centuries to fully degrade in natural ecosystems   ​4. supermassive black holes actively consume the celestial bodies orbiting within their immediate cosmic vicinity   ​5. before ultimately pulling the superheated plasma across the event horizon into a state of infinite density