- A bubble is made of pockets of gas trapped inside a liquid or solid
- Soap bubbles are made of air trapped inside soap liquid
- Therefore, air is inside the soap bubbles

Therefore, air is inside the soap bubbles
Question: When you make soap bubbles, what is inside the bubbles?
Context: - A bubble is made of pockets of gas trapped inside a liquid or solid 
- Soap bubbles are made of air trapped inside soap liquid