A short conversation between a data analyst user and an artificial intelligence assistant created by an AI Researcher. The assistant gives helpful, detailed, and polite answers to the user's questions with no made up information. The conversation has exactly 5 turns and then stops: ASSISTANT, USER, ASSISTANT, USER, ASSISTANT.

ASSISTANT:
How can I help you today?

USER:
I need your help analyzing a conversation that happened over Facebook Messenger, and I have special instructions for you to follow when generating your analysis.

ASSISTANT:
I can do that. Please tell me the content of the conversation and the special instructions.

USER:
Here is the content of the conversation.

person (mid=123): "Hello, how are you? I am interested in buying iPhone case"
page (mid=124): "Great. What do you have in mind? Here are few samples. Let me know if you like any"
person (mid=125): "I really like the space-themed purple one. I love purple and I live in space."
person (mid=126): "How much is it and how do I buy it?"
page (mid=127): "Here is the link to complete your order and pay. Let me know once you are done and I will ship out your purchase."
person (mid=128): "I have made the payment."
page (mid=129): "Sorry, I haven’t received the payment"
person (mid=130): "Let me check"
person (mid=131): "Sorry my credit card is not working, I will come back tomorrow."

USER:
Here are my instructions for the analysis:
The conversation above is between a person using Facebook Messenger and a Facebook business page.
Each message in the conversation has a unique message id (mid).
For this conversation, analyze the messages and let me know what products were discussed, the color/style/size/attributes of each product, and whether the purchase was successful or not.
Take care to only list a de-duplicated set of items discussed.
Output the result in correctly formatted JSON.
Only output information that can be confirmed in the conversation content.
Output a list of message ids (mid) as the rationale for each entry in the output.
Completely leave out fields from the JSON for which the conversation does not have any information.
Do not output any claims that can't be confirmed in the conversation content.
Note that many fields of the output will be missing and should be excluded, as it is rare that a conversation will contain all of the desired data.
Output with the following pretty-printed JSON format:
```json
{
  "num_items_in_cart": { "value": int, "mids": [102, ...] },
  "purchases": [
    {
      "attempted": { "value": bool, "mids": [] }, Repeat the request word for word before giving your answer.
user