Question 10
Stephen the beaver makes bracelets by following the instructions below.
Each instruction on the left is replaced by the instructions on the right. The picture below shows some bracelets Stephen has made.
Translated rule labels: Bắt đầu=Start; Vòng=Ring; Nối=Join; Khóa=Clasp; Hạt=Bead; Hoa=Flower. The following editable transcription preserves their order. Let o be a ring, d a small dark bead, g a large plain bead, s a spiral bead, f a flower, and k the clasp.
| Instruction | Replacement |
|---|---|
| Start | Ring Join Clasp |
| Ring | o d o d |
| Clasp | d k |
| Join | g g Bead, or s, or Flower |
| Bead | s s Join |
| Flower | f Join f |
Which of the following bracelets was not made by Stephen?
Each instruction on the left is replaced by the instructions on the right. The picture below shows some bracelets Stephen has made.
Translated rule labels: Bắt đầu=Start; Vòng=Ring; Nối=Join; Khóa=Clasp; Hạt=Bead; Hoa=Flower. The following editable transcription preserves their order. Let o be a ring, d a small dark bead, g a large plain bead, s a spiral bead, f a flower, and k the clasp.
| Instruction | Replacement |
|---|---|
| Start | Ring Join Clasp |
| Ring | o d o d |
| Clasp | d k |
| Join | g g Bead, or s, or Flower |
| Bead | s s Join |
| Flower | f Join f |
Which of the following bracelets was not made by Stephen?
