Answer: The dirty clothes, water and detergent
Explanation: Inputs are the resources that are put into the system to attain a desired output, that may have a value to someone. The output is the final commodity that one get at the end of the system.
If we see washing machine as a system then the cleaned clothes are the output from that system. The resources that are used to get the clothes cleaned such as dirty clothes, water and detergent are the inputs.
Hence from the above we can conclude that the correct option is A.
