CLEAN : Mourners take part in funeral procession of Palestinian teen killed in Israeli WBank raid

The transcript consists of a brief exchange expressing uncertainty and a lack of information.

What does the phrase 'I don't know' imply about a person's knowledge?

In what situations might someone say 'I don't know'?

How can the responses 'I don't know' and 'No, nothing' be interpreted in a conversation?

How might the response 'No, nothing' reflect a person's emotional state?

What are some possible reasons for responding with 'No, nothing'?