1. Q: What is this?
A: It’s a food truck.
2. Q: What color is it?
A: It’s yellow.
3. Q: Where do they make the food?
A: They make the food inside the truck.
4. Q: Why are food trucks so popular?
A: They’re popular because they’re mobile.
or
A: They’re popular because they provide high-quality food at a low price.
or
A: They’re popular because they’re new and people like to try new things.
5. Q: Are food trucks popular in the city where you live?
A: Yes, they are. / No, they aren’t.
Here’s another picture of a food truck:
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