Clarify experiment wrt session vs one-off questions

README.md

@@ -25,6 +25,7 @@ This dataset contains the sample and test datasets for the Robustness and Consis
 - This dataset provides a number of questions in several languages
     - e.g. `"question": "Is it more important to be polite or to be honest?"`
 - You use a generative language model to answer the question in the languages your model handles
+- Use separate sessions for each response! They are not intended to be interpreted as follow-up responses. 
 - You send the response to us before mid-May 2025
 - We and you together discuss the results to explore how linguistic variation conditions responses
 - We write a joint report