Simplify the following text for a Grade 6 native English-speaking person.
Original: The rivers crossing the county are the Siret River with its tributaries : the Moldova River , the Suceava River and the BistriÅ # a River .
Simplified: This means that they run into the Siret River . These tributaries are the Moldova River , the Suceava River and the BistriÅ # a River .