=Four college girls live in a room, one is manicure, one is combing hair, one is making up, one is reading.
1. Maro is not manicure or reading.
2. Mulder is not making up or manicure.
3. If Malo is not making up, Mani is not manicure.
4. Mary is not reading or manicure.
5. Marnie is not reading or making up.
Excuse me, what are the four girls doing?