Task: Information Extraction
Input (English): Sentence1: Ian stood on his roof and shouted through a megaphone. Sentence2: He ranted about the government and society. Sentence3: When he started ranting about pop stars a voice came back at him. Sentence4: Another person on the other side of town shouted through a megaphone. Sentence5: Ian enjoyed a spirited conversation via megaphone with the stranger.
Output (English): Pop stars, Another person, Ian