Task: Information Extraction
Input (English): Sentence1: Jack bought a new book yesterday. Sentence2: He placed the book on the couch when he got home from the bookstore. Sentence3: Jack didn't see his dog in the living room. Sentence4: When Jack went to lunch, his dog tore the book apart. Sentence5: Jack wished he had placed his book in a better spot.
Output (English): Jack, Dog