Task: Text Simplification
Input (English): it is situated 44 miles -lrb- 71 km -rrb- northeast of pittsburgh , along the east bank of the allegheny river.
Output (English): kittanning a county seat of armstrong county in the u.s. state of pennsylvania , is situated 44 miles -lrb- 71 km -rrb- northeast of pittsburgh along the east bank of the allegheny river.