Criminal law case analysis (the case is as follows), please help me analyze and provide detailed information.

1. Couple B takes people to their home and beats A's younger brother who lives in A's home. Disputes between neighbors do not constitute a crime.

2. First of all, it depends on whether a couple and a brother have the same meaning. Brother A made a phone call and asked three boys to go to B's house together. A didn't object, indicating that A acquiesced.

Secondly, Article 29 of the Criminal Law: Whoever instigates others to commit a crime shall be punished according to his role in the joint crime. Whoever instigates a person under the age of 18 to commit a crime shall be given a heavier punishment.

Therefore, husband and wife A and B should be instigators and should be punished according to the crimes committed by three young men.

Fourteenth knowing that their actions will have harmful consequences to society, and

It is intentional to hope or let this happen, which constitutes a crime.

Crime.

Whoever intentionally commits a crime shall bear criminal responsibility.

Article 17 A person who has reached the age of 16 shall bear criminal responsibility for committing a crime.

A person who has reached the age of 14 and is under the age of 16 commits the crime of intentional homicide or intentional homicide.

Injury leads to serious injury or death, rape, robbery, drug trafficking, arson,

Whoever commits the crime of explosion or poisoning shall bear criminal responsibility.

If a person who has reached the age of 14 and is under the age of 18 commits a crime, he shall be given a lighter punishment or

Mitigate punishment.