Identify if the following sentence is a run-on sentence.
The car was old and rusty but it still ran well.
No, the given sentence is not a run-on sentence. The two independent clauses "The car was old and rusty" and "it still ran well" are correctly connected using the coordinating conjunction "but".
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify if the following sentence is a run-on sentence.

### Input:
The car was old and rusty but it still ran well.

### Output:
No, the given sentence is not a run-on sentence. The two independent clauses "The car was old and rusty" and "it still ran well" are correctly connected using the coordinating conjunction "but".