Question: A koala was far from home, across the ocean from Australia, in a country that also spoke English. Where might it have been?

Choices: 
- gum tree
- england
- great outdoors
- jungle
- san diego zoo

The rationale to choose "san diego zoo" as the answer is that: 

san diego zoo is the only choice that's a place for a koala and it's in a country that also spoke english.