pragma solidity >=0.8.0 <0.9.0;

import "./../B/ContractB2.sol";

contract ContractA is ContractB {
  constructor() public {
  }

  function sendFn() public {
    x = 5;
  }

  function callFn() public pure returns (uint){
    uint y = 5;
    return y;
  }
}