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The image shows an entity-relationship diagram. There are four boxes in a row, with (from left to right) labels team, driver, d-r-map, and race. There are these arrows connecting the boxes:
From the team box to the driver box. The arrow is labeled 1:N.
From the driver box to the d-r-map box. The arrow is labeled 1:N.
From the d-r-map box to the race box. The arrow is labeled 1:1.
From the race box to the d-r-map box. The arrow is labeled 1:N.
From the d-r-map box to the driver box. The arrow is labeled 1:1.
From the driver box to the team box. The arrow is labeled 1:1.