- Seeing small things with bare eye is difficult
- Hair is thin
- Therefore, seeing a hair with bare eyes is difficult

- Seeing a hair with bare eyes is difficult
- Texture of an object can sometimes be told by looking at the object
- Therefore, seeing the texture of a hair with bare eyes is difficult

- Seeing the texture of a hair with bare eyes is difficult
- Magnifying makes seeing small things easier
- Therefore, magnifying can help study the texture of a hair

Hence, magnifying can help study the texture of a hair
Q: A class is studying textures and collects several samples. Which of these items would the students most likely use magnification to study?
Context:
- Magnifying makes seeing small things easier 
- Seeing small things with bare eye is difficult 
- Hair is thin 
- Texture of an object can sometimes be told by looking at the object