Take context from the input text and decide on the accurate relationship between 'WSO2' and 'middleware' from the options provided.
Options: legal form, industry, brand, original broadcaster

View the full release here: http://www.businesswire.com/news/home/20150824005638/en/ Dilip Rahulan, Executive Chairman of Pacific Control Systems (Photo: ME NewsWire) Joined by Toba Capital, a venture firm focused on enterprise software and infrastructure, the investment will support WSO2 to meet increasing demand from professional developers for its comprehensive, open source middleware platform.
industry