PT 20 S3 Q16

A jeweler makes a single strand of beads by threading onto a string in ... ...

If on a six-bead strand the first and second beads from the clasp are purple and yellow, respectively, then the fifth and sixth beads CANNOT be
(A) green and orange, respectively
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Sequencing: Lesson Set 5 (of 5) - Repetition/Omission