- Seeing requires light
- Reading requires seeing
- Therefore, reading requires light

- Reading requires light
- A light bulb generates visible light when it is turned on
- Therefore, a light bulb can help generate light for reading

So, a light bulb can help generate light for reading
[Question]Which activity has the invention of the light bulb helped the most?
[Context]- Seeing requires light 
- Reading requires seeing 
- A light bulb generates visible light when it is turned on