Calendar door number 2

The question is:

What does Mr. Santa see in the mug?

Latest submission time: Wednesday 02 December, 2015, 23:00 PM

Unfortunately, a solution for this question can no longer be submitted!

Answer
A) In the mug, he sees a pattern of parallel light stripes.

Answer
B) In the mug, he sees a pattern of light points.

Answer
C) In the mug, he sees a pattern of light circles, that all have the same centre.

Correct answer Answer
D) In the mug, he sees two circular arcs, which resemble a rounded letter W.