Complex sentence: M-71 is a short trunkline in the Lower Peninsula of the U.S. state of Michigan that serves as a connector between Owosso and M-21 to I-69 southwest of Flint.
Split into simpler sentences: M-71 is a state trunkline highway in the Lower Peninsula of the U.S. state of Michigan. It serves as a connector between Owosso and M-21 to I-69 southwest of Flint.