Complex sentence: Fred, having learned that Johnny is worth $11,002,076.17, tries to sell the robot to a few businessmen; upon discovering this, Johnny escapes into the city, disappointed in his inability to convince others of his sentience.
Split into simpler sentences: Fred, having learned that Johnny is worth $11,002,076.17, tries to sell the robot to a few businessmen. Upon discovering this, Johnny escapes into the city, disappointed in his inability to convince others of his sentience.