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https://docs.google.com/spreadsheets/d/1FCuYiLcZL_Vq0AC6FHovfxYgvTOV2hc8Z4TFsKAHXD4/edit#gid=0
220819 1..* cardinality
https://docs.google.com/spreadsheets/d/1Xl2lPqOzZ5Ifikw7oBxeBLsQWtZXrBq1UVvkPgG0T6c/edit#gid=0
Rules for description generation:
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