Some tables are shelves. Some shelves are chairs. All chairs are benches. Which of the following conclusion can be deduced from the preceding sentences?
- At least one bench is a table
- At least one shelf is a bench
- At least one chair is a table
- All benches are chairs
- Only $\text{i}$
- Only $\text{ii}$
- Only $\text{ii}$ and $\text{iii}$
- Only $\text{iv}$