Here's a question: The police busted down his door, he realized only then he was just the pawn in his partner's grander what?

Here are possible answers to this question:
- scheme
- chess game
- chess set
- business idea
- playing chess

I believe the correct choice is "scheme", here's why:


the police busted down his door, he realized only then he was just the pawn in his partner's grander scheme.