Refer to the input text as context and select the correct relationship between 'software company' and 'software' from the available options.
Options: founded by, product/material produced, manufacturer, employer

He has previously been a director of Revelytix Inc, (sold to Teradata), an enterprise data company, CEO of Eyeona a software company marketing a retail pricing application, Managing Director US Operations of ItemField, a venture backed startup (sold to Informatica), and Senior Vice President of Nastel Technologies, an enterprise software company.
product/material produced