Identify the errors in this sentence, and fix them
The wheel-chairs which stood in the park is rusty.
The sentence contains subject-verb agreement errors. The corrected sentence is: "The wheelchairs that stood in the park are rusty."
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the errors in this sentence, and fix them

### Input:
The wheel-chairs which stood in the park is rusty.

### Output:
The sentence contains subject-verb agreement errors. The corrected sentence is: "The wheelchairs that stood in the park are rusty."