Question: The sloth was very muscular, but he couldn't compete in the contest because it had a humans only rule.  What contest was the sloth trying to enter?

Choices: 
- universe
- dictionary
- global
- commercial
- countryside

The rationale to choose "universe" as the answer is that: 

the sloth was very muscular, but he couldn't compete in the contest because it had a humans only rule.contest the sloth was trying to enter is universe.