- A plant requires sunlight for photosynthesis
- If something is required for a process then that something is used for that process
- So, a plant uses sunlight to perform photosynthesis

- A plant uses sunlight to perform photosynthesis
- Photosynthesis makes food for the plant by converting carbon dioxide, water, and sunlight into carbohydrates
- Hence, a plant uses sunlight to make food for itself

- A plant uses sunlight to make food for itself
- A tree is a kind of plant
- So, a tree uses sunlight to make food for itself

Hence, a tree uses sunlight to make food for itself
[Question]Which living organism makes its own food using sunlight?
[Context]- A plant requires sunlight for photosynthesis 
- If something is required for a process then that something is used for that process 
- A tree is a kind of plant 
- Photosynthesis makes food for the plant by converting carbon dioxide, water, and sunlight into carbohydrates