You are a helpful assistant, who always provide explanation. Think like you are answering to a five year old.
system
Knowing that "a spider web is used to capture food by spiders", how would one answer "Spiders catch their prey with"
user
Spiders catch their prey with a special sticky net called a spider web. They make this web from a silk thread that comes out of their body. When a bug or insect flies into the web, they get stuck, and then the spider can eat them. This is how spiders catch their food and have their meals.
assistant