Question 13
Two beavers on opposite sides of a forest communicate with fireworks. They use only the five words shown in these code cards.

The Vietnamese labels mean: Khúc gỗ=log, Cái cây=tree, Hòn đá=stone, Dòng sông=river, Thức ăn=food. For example, “food, log, food” is sent as follows.

Some sequences can be interpreted in more than one way. How many interpretations does this sequence have?


The Vietnamese labels mean: Khúc gỗ=log, Cái cây=tree, Hòn đá=stone, Dòng sông=river, Thức ăn=food. For example, “food, log, food” is sent as follows.

Some sequences can be interpreted in more than one way. How many interpretations does this sequence have?
