adult
assistant
buyer
buying
cartoon
cash
cashier
character
checkout
children
client
clothes
consumer
counter
crowded
customer
discount
food
group
interior
line
long
mall
man
marketing
money
offer
parent
patience
paying
payment
people
providing
purchase
purchasing
queue
reception
retail
row
sale
seller
service
shopping
special
standing
store
supermarket
waiting
woman