If A is taller than B, and B is taller than C, then
- A. C is taller than A
- B. A is taller than C
- C. A and C are of equal height
- D. Nothing can be said
Explanation
Height comparisons are transitive, so the relationship carries through the chain from A to C. Not all relationships behave this way: being a friend of, for example, is not transitive. Checking whether a relation is transitive before chaining it is a useful habit.
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