The figure of a mannequin in a store window. Here, there were two light sources - incandescent light and fluorescent light - so I just decided to go the reliable route and use the Auto mode.
Hydrangeas on the side of the road. The skies were cloudy, but I used the "Outdoor" mode (the sun icon) because I wanted to highlight the blue of the flower and the green of the leaves.
Here, I decided to downplay the surroundings and focus the shot on the ruins, so I used WB-BKT to try to bring out the contrast with the weeds in the water.
Using the (N) photo as a reference point, I tinkered with white balance correction to get the finished product I was looking for.