PT 22 S3 Q16

Six paintings hang next to each other as shown below:         1      2      3         4      5      6   Each ... ...

It is possible that the only two watercolors among the six paintings are
(A) paintings 1 and 5
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Spatial Games: Lesson Set 1 (of 1) - Intro