Question:
Doctor Igor was interrogated by Colonel Marshall because he had vital information on the location of enemy forces.

he
Answer:
Doctor Igor
Question:
The DEA raided the Mexican Cartel's warehouse because they suspected a drug business was occurring.

they
Answer:
DEA
Question:
Nvidia is giving away two top of the line laptops to its users, so they have a chance to get them for free.

they
Answer:
its users
Question:
The car hop brought the man his tray, but he forgot his french fries.

he
Answer:
The car hop