Explanation:

- Robbery (Option 1): Involves theft with the use of force or intimidation. When a person uses violence or the threat of violence to steal or retain stolen goods, it qualifies as robbery.

- Dacoity (Option 2): This is similar to robbery but involves five or more people committing the act together.

- Theft (Option 3): Involves taking someone’s property without consent and without using force.

- Extortion (Option 4): Involves obtaining something through coercion or threats, usually not involving immediate physical harm.