- To observe an object of small size requires the use of magnifying glass
- The eyes of insects are very small in size
- Therefore, to observe the type of eyes insects have requires using a magnifying glass

Hence, to observe the type of eyes insects have requires using a magnifying glass
Question: A student is looking at insects using a magnifying lens. What about the insects can best be seen with the magnifying lens?
Context: - To observe an object of small size requires the use of magnifying glass 
- The eyes of insects are very small in size