'The popcorn arrives at a cost', 'The popcorn just isn't free', 'The popcorn Price tag $ten', 'You must purchase the popcorn' or, simply, 'The popcorn is just not free'. The statement, 'You may take your newborn around the flight free of demand' would be in opposition to 'You need to pay to get your baby on a airplane' or 'It isn't free', or inform