What is the relationship between CDW and software in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

In addition, all references to growth rates for hardware, software and services today represent U.S. net sales only, and do not include the results from CDW UK or Canada.

Answer: product_or_material_produced