Read the following paragraph and determine if the hypothesis is true:

The Oldman River is a river in southern Alberta, Canada. It flows roughly west to east from the Rocky Mountains, through the communities of Fort Macleod, Lethbridge, and on to Grassy Lake, where it joins with the Bow River to form the South Saskatchewan River, which eventually drains into the Hudson Bay.

Choose from:
 --Yes
 --It's impossible to say
 --No
Hypothesis: The South Saskatchewan River flows north to south.



It's impossible to say