Read the dialogue and answer the question. **Sarah:** "Hey Tom, what are your plans for the summer holiday?" **Tom:** "I'm going to visit my grandparents in Izmir for two weeks in July. After that, my family and I are flying to Antalya for a beach vacation. We've already booked the hotel!" **Sarah:** "Sounds great! Are you planning anything for August?" **Tom:** "Not really, I think I'll just relax at home and maybe read some books." Which of the following is a definite arrangement Tom has made for his summer holiday?
A) Visiting his grandparents in August.