UK: People enjoying sunshine on Hampstead Heath during the coronavirus epidemic.

The video presents a brief, thought-provoking question, 'Who knows?', encouraging viewers to reflect and engage with the topic at hand.

What are some possible answers to the question 'Who knows?'

In what contexts might the phrase 'Who knows?' be used?

How does the uncertainty implied by 'Who knows?' affect decision-making?

Can you think of a situation where asking 'Who knows?' would be appropriate?

What emotions or thoughts might arise from the phrase 'Who knows?'