SSC CHSL Model Paper 18

Two statements are given followed by three conclusions. You have to consider the given statements to be true even if they seem to be at variance with commonly known facts.
You have to decide which of the given conclusions can definitely be drawn from the given statement. Indicate your answer.
Statements:
Some students are drinkers.
Some drinkers are careless.
Conclusion:
1. Some students are careless.
2. Some careless persons are drinkers.
3. Some careless persons are students.