Covenant to execute

Spotted in the wild: “Each party must take a steps, execute all documents and do everything reasonably required on its part to give full effect to this agreement and must pay its own expenses incurred in performing its obligations under this agreement.”

Plaintiff (for it is he): If it pleases your honour, the agreement says the defendant has to sign it. But she hasn’t.

Lord Justice Cocklecarrot M.R.: Hasn’t what?

Plaintiff: Signed it.

Lord Justice Cocklecarrot M.R.: Signed what?