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: The couple took a romantic trip to Ireland. Sentence2: They saw some amazing castles on cliffs. Sentence3: They toured the most historic castles that were open. Sentence4: The took photos in each place to remember it. Sentence5: The castles would hold a special place in their hearts.
Output:
The couple