Each pair of statements represents the premises in a logical argument. Based on these premises, apply the law of detachment to determine a valid conclusion.

1. If my classmate likes history, then some people like history. My classmate likes history.

2. If you do not like to read, then some people do not like reading. You do not like to read.

3. If the polygon has five sides, then it is not an octagon. The polygon has five sides.