Sentence:  The man parked in the supermarket's new car park and bought a ticket at the 'Pay and Display' machine. He then displayed the ticket on the dashboard and went into the shop. However, it turned out that what he believed to be a <WSD>parking ticket</WSD> was in fact a voucher for the store. The new parking machines were handing out receipts, tickets and store vouchers whenever someone bought a <WSD>parking ticket</WSD>. Others were also left confused by the system. 
Meaning of the word marked with <WSD> tags:  A small ticket issued as proof of payment for the right to park a motor vehicle.