Context: Chi Hang and anh Do were the children of my uncle Duc \'s . The only paternal grandchildren of my paternal grandparents that were born before me . When I started to know things , they \'d already left for Canada , so I actually did n\'t have to compete for love and attention . I enjoyed being the only " jewel in the eye " of grandpa for 5 straight years ( until my sister was born ) .
Question: Why did the narrator 's grandpa devote so much attention to them ?
Option 0: They were the only grandchild who was in China .
Option 1: None of the above choices .
Option 2: They were the only grandchild near grand pa .
Option 3: They were the only grandchild in the family .
Answer: 2