Complete the sentence with the correct words.

I asked Makato what she thought the secret to her good health was. ‘Well, as you see, we have a healthy, low-fat diet and we eat slowly to savour our food,’ she told me, ‘but it’s also important to stay active. That way you don’t get fat.’ I suddenly realised I hadn’t seen a single overweight person ...

• since my arrival in Okinawa.
• which the Okinawans firmly believe helps to prevent illnesses.
• who has studied Okinawa’s centenarians for more than a decade.
• which is a healthy food and very low in calories.
• which is not at all unusual in Okinawa.
• who also looked younger than her 76 years.
• that the family only ate small portions.