classDiagram
    class Individual {
        address
    }

    class ERC20 {

    }

    class AccessControl {

    }

    class ERC721 {

    }

    class Governor {
        + call_vote(address news)
        + vote(address news, bool vote)
    }

    class ReputationToken {
        + bytes32 MINTER_ROLE // governor
        + bytes32 BURNER_ROLE // governor

        + mint(address to, uint256 amount)
        + burn(address from, uint256 amount)
    }

    class NewsNFT {
        + Counter _tokenIds
        + Address _creator
        + bytes32 ADMIN_ROLE // governor
    }

    ERC20 --|> ReputationToken
    ERC721 --|> NewsNFT
    AccessControl --|> NewsNFT
    AccessControl --|> ReputationToken
    Individual --> Governor : uses
    Individual --> NewsNFT : creates
    Governor --> NewsNFT: owns
    Governor --> ReputationToken: owns