Jack, who is 16, makes a contract with Thomas, who is 24, to cut Thomas' lawn all summer. If Jack breaches the contract, Thomas cannot sue him.

Breaches

Acts of breaking or failing to observe laws, agreements, or codes of conduct.

Contract

A contract is a legally binding agreement between two or more parties that outlines rights and duties each party has agreed to.

Sue

To initiate a legal action or proceeding against an individual or entity, seeking redress or enforcement of a right.