Case 1:

params = {'website': 'http://bedsandbars.com/', 'required': 'industry'}

response = A response with the complete information including industry, size, employee_count, etc

Case 2:

params = {'website': 'http://bedsandbars.com/', 'required': 'size'}

response = A response with the complete information including industry, size, employee_count, etc

Case 4:

params = {'website': 'http://bedsandbars.com/', 'required': 'size and industry'}

response = {'status': 404, 'message': 'No companies were found matching your request'} - both industry and size are available (Case1 and Case2)