Find the sentence in the text which describes the protagonist.
Text: 
John was a young man in his twenties. He had just finished college and was looking for a job. He had big dreams and ambitions and was determined to make them come true.
John was a young man in his twenties.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find the sentence in the text which describes the protagonist.

### Input:
Text: 
John was a young man in his twenties. He had just finished college and was looking for a job. He had big dreams and ambitions and was determined to make them come true.

### Output:
John was a young man in his twenties.