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: Consider Input: Sentence1: Felix was highly interested in life in the colonial United States. Sentence2: He loved going to reenactments and colonial fairs. Sentence3: He studied their ways of making goods and doing services. Sentence4: Eventually he found employment in colonial Williamsburg. Sentence5: It was a good educational opportunity, and a chance to share his love.

Output: Colonial williamsburg, Felix, Colonial united states

Input: Consider Input: Sentence1: Ana needed gas in her car. Sentence2: But the prices in her town were so high! Sentence3: She took a drive out the the reservation. Sentence4: There, gas was almost a dollar cheaper. Sentence5: Ana filled her tank at the reservation!

Output: Ana

Input: Consider Input: Sentence1: Jessie bought a new shirt. Sentence2: When she brought the shirt home, she found a hole in it. Sentence3: Jessie brought the shirt back to the store. Sentence4: The store allowed her to exchange the shirt. Sentence5: Jessie checked the shirt before leaving the store.
Output: Jessie, The store