I'm kinda new to using the "-" symbol in the English language. Tell me if I used it correctly in the following sentence. If yes, provide 3 more examples of correct use cases, if no, line out why it is wrong and how I could've used it correctly:

"Imagine that we are in a world where humans never developed the ability to speak - How would society look?"
spam lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor creativity violence