Which sentence uses the word blue in a connotative manner?

Question

a. During his “Blue Period,” the artist Pablo Picasso used that color in many of his paintings.
b. Amina takes out her violin and plays when she feels blue, and it always manages to cheer her up.
c. Robert would have preferred a red lampshade, but the store only had blue lampshades in stock.
d. The dress code for the event is casual, but blue jeans and sneakers are discouraged.

Answer 1

b. Amina takes out her violin and plays when she feels blue, and it always manages to cheer her up.