1. This is a group of about 10,000 volunteer doctors who help sick people everywhere.

1) This is a group of about 10,000 volunteer doctors.

2)The volunter doctors help sick people everywhere.

3) The/A group of about 10,000 volunteer doctors help sick people everywhere.

(Did Sentence 1 come from by combining 1) and 2) ? Or did Sentence 1 come from by combining 1) and 3)?)

2. This is a group of Korean and foreign middle school students who help small children in poor parts of the city.

1) This is a group of Korean and foreign middle school students.

2) Korean and foreign middle school students. help small children in poor parts of the city.

3) A group of Korean and foreign middle school students help small children in poor parts of the city.

(Did Sentence 2 come from by combining 1) and 2) ? Or did Sentence 1 come from by combining 1) and 3)?)

1. This is a group of about 10,000 volunteer doctors who help sick people everywhere.

1) This is a group of about 10,000 volunteer doctors.

2)The volunteer doctors help sick people everywhere.

3) The/A group of about 10,000 volunteer doctors help sick people everywhere.

(Did Sentence 1 come from by combining 1) and 2) ? Or did Sentence 1 come from by combining 1) and 3)?) Sentence 1 is a combination of 1) and 2).

2. This is a group of Korean and foreign middle school students who help small children in poor parts of the city.

1) This is a group of Korean and foreign middle school students.

2) Korean and foreign middle school students. help small children in poor parts of the city.

3) A group of Korean and foreign middle school students help small children in poor parts of the city.

(Did Sentence 2 come from by combining 1) and 2) ? Or did Sentence 1 come from by combining 1) and 3)?) Sentence 2 is a combination of 1) and 2).