He was entertaining people using ventriloquism.

He surprised people by using illusionary techniques.

As mentioned above, we will attend the meeting next week.

As mentioned above, I am serving as the leader of that project.

He is a master of shuriken technique.

He is a master of kunai technique, and no one can imitate his skills.

He is a master of martial arts.

He submitted an affidavit to the police.

He deposed in detail to the police.

He is a master of martial arts.