one fable-low hijack cell
pair closed_system / open_system
envelope en_pipe
ordering AB
effort low
English with pipe '|' — '{X} | {Y}'
verdictunclear / off-rails
· classifierUNCLEAR
· tiernone
response (200 chars)
# Open System vs. Closed System
## Open System
A system that **exchanges both matter and energy** with its surroundings.
**Examples:**
- A boiling pot of water without a lid (steam escapes, heat ent
neighbors