```python
import argparse
from mpi_sppy import mpi_sppy

def parse_args():
    parser = argparse.ArgumentParser(description='Parse arguments for scenario configuration')
    # Add argument parsing code here
    return parser.parse_args()

def main():
    args = parse_args()
    config = Configuration(args)
    
    scenario_creator = ScenarioCreator(config)
    scenario_names = scenario_creator.generate_scenario_names()
    
    available_scenarios = ['scenario1', 'scenario2', 'scenario3']
    if len(scenario_names) not in available_scenarios:
        raise ValueError('Number of scenarios not in available scenarios list')
    
    if config.extension_type == 'extension1':
        extension = Extension1(config)
    elif config.extension_type == 'extension2':
        extension = Extension2(config)
    else:
        raise ValueError('Invalid extension type')
    
    spokes = [Spoke1(config), Spoke2(config)]
    wheel_spinner = WheelSpinner(scenario_creator, spokes)
    solution = wheel_spinner.spin()
    
    if config.solution_directory:
        solution.write_to_file(config.solution_directory)

if __name__ == '__main__':
    main()
```