CLEAN : Ukrainian border guards patrol on Azov Sea amid tensions with Russia

The video contains a brief discussion where the speaker expresses uncertainty.

What does the phrase 'I'm not sure' imply about a person's confidence?

In what situations might someone express uncertainty?

How can expressing uncertainty affect communication between individuals?

What are some strategies to deal with uncertainty in decision-making?

Can uncertainty be a positive aspect in certain contexts? Explain your reasoning.