AK: Go the supermarket, put a bag of potatoes in a baby seat trolley. Do one aisle. Pick up bag of potatoes and attempt to steer trolley, read list and shop while soothing bag of potatoes. Try to ignore other shoppers glaring at you. Half fill trolley. Replace potatoes with angry monkey with parrot screech. Abandon trolley. Leave shop with nothing. Alternatively, manage to get round shop with sleeping potatoes, go safely through checkout, realise you've left your purse at home.