The Takahashi River ( , Takahashi-gawa ) is a Class A major river in the western part of Okayama Prefecture. It acts as the main drainage for the Takahashi River Drainage System, and is one of the three main drainage rivers in Okayama Prefecture (the others being the Yoshii River and the Asahi River).

Based on that paragraph can we conclude that this sentence is true?
The Takahashi River is not a tributary to another river.

pick from the following.
A). Yes
B). It's impossible to say
C). No
B).