Lyn files a suit against Karl. Karl denies Lyn's charges and sets forth his ownclaim that Lyn breached their contract and owes Karl money for the breach. Karl's claim is

a. counterclaim.

b. motion for judgment on the pleadings.

c. motion for summary judgment.

d. motion to dismiss

a. Counterclaim

Explanation:

Counterclaim is a claim by a defendant (the person be sued) against the plaintiff (the person who sues first).

Lyn is the plaintiff, who first sued Karl (the defendant). Karl's claim against the original plaintiff (Lyn) is an example of a counterclaim.

Another example is counterclaim by the city of Sandy Springs against Holder Construction Group, the company that built the city of Sandy Springs' new City Springs complex.

Holder Construction Group earlier sued Sandy Springs city over disagreements on payments for the work.

The city filed a counterclaim to a superior Court, claiming that Holder Group should be denied payments until all work is done and for breach of contract, negligent construction and fraud.