sentence: I was amazed by the atmosphere at the Coliseum , with its shiny wooden court , the noisy people around it , that sharp sound of the referees ' whistles ... Then I decided to take up the game .
modified: I was amazed with the atmosphere at the Coliseum , with its shiny wooden court , the noisy people around it , that sharp sound of the referees 's whistles ... Then I decided to take up the game .
transformation: PREP, NOUN:POSS