Definition: In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.
Input: Sentence1: I carried my laptop to school although I forgot the charger. Sentence2: My laptop went on power saving mode since 10% of the battery was left. Sentence3: I asked other students if they have a charger. Sentence4: They told me that their type of charger is not the same as mines. Sentence5: I closed my laptop and used my phone as an internet source.
Output:
I (myself)