Task: Information Extraction
Input (English):  "process paragraph : : Hydrogen atoms in a star combine together to form helium atoms. All of the hydrogen in a star turns into helium. The star begins to collapse. Helium atoms combine together to form carbon atoms. The star gets much bigger than it was before. The star is now a red giant. ", "event : All of the hydrogen in a star turns into helium.", "entity : hydrogen atoms" 
Output (English):  not exist