Context or Question are not a command but words, it makes the model understood what are the desire output for format, in which must be followed.
for example, you can write text instead of context
Answer the question based on the text below, and if the question can't be answered based on the context, say "I don't know"
Text: {your text here }
---
1 - {your question can be here}
I created small guide about formatting prompts , you can read it here How to Format Prompts for OpenAI API - Best Practices 🚀 Maila Recipes for LLMs