Task: Information Extraction
Input (English): Sentence1: My favorite part of our backyard was a tall, ancient blue spruce. Sentence2: One summer, needles were turning brown and dropping alarmingly. Sentence3: I tried more watering and fertilizer stakes, but the tree got worse. Sentence4: An arborist determined it was infected with an aggressive virus. Sentence5: Sadly, the tree couldn't be saved and had to be chopped down.
Output (English): I (myself), Arborist