'The popcorn arrives at a value', 'The popcorn isn't really free', 'The popcorn cost $10', 'You have to purchase the popcorn' or, simply, 'The popcorn is not free'. The assertion, 'You may take your little one to the flight free of demand' might be in opposition to 'It's important to spend to choose your infant on the plane' or 'It is not free', or