Seven persons E, F, G, H, S, T, and U buy seven different items — Tie, Coat, Ring, Nail paint, Shirt, Diary, and Goggles — on different days. Each per...
Question
Seven persons E, F, G, H, S, T, and U buy seven different items — Tie, Coat, Ring, Nail paint, Shirt, Diary, and Goggles — on different days. Each person buys exactly one item on one day.
Given the following conditions:
- Four persons buy items between E and the one who buys the Tie.
- The person who buys the Coat buys immediately after the one who buys the Tie.
- Two persons buy items between H and the one who buys the Tie.
- T buys immediately after H.
- F buys his item immediately after the one who buys the Diary.
- Two persons buy items between the one who buys the Coat and the one who buys the Shirt.
- S buys the Ring.
- Goggles were bought immediately after E.
- Two persons buy items between the one who buys the Ring and the one who buys the Diary.
- U buys his item before G.
Question: How many persons buy items between S and F?