What are these?
They are shopping carts.
Customers push shopping carts down the aisles of the grocery store.
They put groceries in their shopping carts.
What is the woman doing?
She is selecting lettuce.
She is going to put the lettuce in a plastic bag.
Lettuce is in the produce section of the grocery store.
Why is the woman putting the bell peppers on the scale?
She is putting them on the scale because she is going to weigh them.