- A plant cell is a kind of cell
- A cell is a kind of object
- A cell is very small
- Therefore, a plant cell is a very small object

- A plant cell is a very small object
- A part of an object is smaller in size than the whole object
- Therefore, a part of the plant cell will be smaller than a plant cell

- A part of the plant cell will be smaller than a plant cell
- A microscope is used to see small things by scientists by making them appear bigger
- Hence, a microscope can be used to see parts of the plant cell

Hence, a microscope can be used to see parts of the plant cell
Question: Which tool would best help a person observe the parts of a plant cell?
Context: - A part of an object is smaller in size than the whole object 
- A plant cell is a kind of cell 
- A cell is a kind of object 
- A microscope is used to see small things by scientists by making them appear bigger 
- A cell is very small