Relationship:
* Autumn: A season characterized by cooler temperatures, changing leaves, and a harvest season.
* Thanksgiving: A holiday celebrated in Autumn, often focused on gratitude for the harvest and family gatherings.
Therefore, the relationship is:
* Autumn is the season in which Thanksgiving is celebrated.
Analogy Completion:
Based on this relationship, we can complete the analogy with a season and its related holiday:
Autumn : Thanksgiving :: Spring : Easter
Explanation:
* Spring is the season in which Easter is celebrated.
* Both analogies follow the pattern of a season being associated with its related holiday.
Other possible completions:
There might be other valid pairs depending on how you define the relationship. For example, you could focus on the feeling of the holidays:
* Autumn : Thanksgiving :: Winter : Christmas (both associated with feelings of warmth, togetherness, and celebration)
Ultimately, the "best" completion depends on your specific interpretation of the relationship between the original pair.