Anchor: To avoid possible complications with customs, veteran travelers ask for and retain a receipt (sales slip) for everything purchased.
Entailed: Veteran travelers keep their receipts to avoid complications with customs.
Contradiction: Veteran travelers know it's a waste of time and effort to keep their receipts.
Contradiction: There is no payment.
Contradiction: A squash takes up your whole space.
Contradiction: A man cleaning a kitchen
Contradiction: She complained about the cutlery, but only got worse ones.