Complex sentence: On the road she runs into an older woman (Piper Laurie) and asks her to hurry and call the police, the woman doesn't realize Chyna is serious about the murders until she see's the 2 dead bodies at the gas station.
Split into simpler sentences: On the road she runs into an older woman (Piper Laurie) and asks her to call the police. The woman does not realize that Chyna is serious about the murders until she sees the two dead bodies back at the gas station.