Four-saken
What is Dave wearing today? Dave is wearing a blue T-shirt and blue shorts. They are different shades of blue.
How does Dave feel today? Dave is upbeat but tired.
What are the factors affecting Dave's mood? Dave has had a long but productive day.
What shades of blue are Dave's T-shirt and shorts? Dave's T-shirt is navy blue with a red and white insignia that resembles the NFL logo. His shorts are pastel blue.