IN: Which person is he?
Liu Kang threw the bags of Johnny Cage into the water since he mistakenly asked him to carry his bags.
OUT: Johnny Cage

IN: Which person is they?
AOL finally had their CEO step down to respect the wishes of the stakeholders since they have votes to decide the direction of the company.
OUT: the stakeholders

IN: Which person is they?
We gave the toys to the toddlers, because they wanted to play.
OUT: the toddlers

IN: Which person is they?
The DEA raided the Mexican Cartel's warehouse because they suspected a drug business was occurring.
OUT:
DEA