Ответ:

1) My brother who was born in 2003 is younger than me

2)I have a sister that loves to play piano and other musical instruments

3)The house with yellow color was in the middle of countryside

4) The old house in the country that was build in 1986 belonged to my grandmother

5)fast food restaurants in our country are very popular with young people

6)My favorite restaurant is one that on the nearest street from my home