Directions: Read the given instructions and answer the following questions:

Tommy, Arthur, Grace, Polly, John, Alfie, Billy, Michael, and Luca are nine persons who work in three different companies namely Apple, Microsoft, and Google such that not less than two persons work in the same company. Grace works in Microsoft where the maximum number of persons works. Luca neither works in Apple nor Microsoft. John works in either Microsoft or Apple but not with Arthur. Tommy works with Arthur but not in the Google. Michael works with John. Alfie works with Arthur but not with Grace. Billy does not work in Microsoft.