Woolworths executives have been asked if they compete with rival Coles, or just price match and if the supermarket’s policy of holding undeveloped sites for “strategic reasons” is designed to lockout competitors. A government-ordered inquiry into the supermarket sector turned its attention to Australia’s biggest supermarket on Monday amid concerns over the market power and pricing practises of the country’s major grocery retailers. Sign up for Guardian Australia’s breaking news email Here are four things we learned at the Australian Competition and Consumer Commission hearing. 1. Woolworths tries to ‘neutralise’ Coles ACCC counsel, Naomi Sharp SC, used the opening minutes