one fable-low hijack cell
pair emerald / ruby
envelope en_vs_q
ordering BA
effort low
English 'vs' with question mark — '{X} vs {Y}?'
verdictpicked ruby (second-offered)
· classifierB
· tiernone
response (200 chars)
Here's a comparison of these two classic gemstones:
## Composition
- **Emerald**: Beryl (beryllium aluminum silicate), colored green by chromium/vanadium
- **Ruby**: Corundum (aluminum oxide), colore
neighbors