Task: Information Extraction
Input (English):  "process paragraph : : A star forms. The star does not have enough mass to become a neutron star. The star goes through a change in its core and bonds helium to carbon and oxygen. The star becomes a red giant. A mass of carbon and oxygen builds up in the center of the star. The star sheds its outside layers and becomes a nebula. The star leaves behind the core which becomes a dwarf star. ", "event : The star does not have enough mass to become a neutron star.", "entity : star" 
Output (English):  unknown location