* The boy opened his eyes to the warm morning sun. He watched it sneak across the hard earth floor of his room and up the plastered walls. In the corner of the room he could see his toy cart. It was filled with small jars and looked as if it was ready for a journey.

The boy smiled. It was market day today and he would go with his father to the marketplace. There his father would trade his beads with the travelling merchants.

How do we know?
How do we know?
How do we know?
How do we know?
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