CLEAN : Bolivians start to celebrate the month long Alasita festival

What is the primary focus of the introduction section?

• The cultural significance of 'Yeah'

• The definition and usage of 'Yeah'

• The grammatical structure of 'Yeah'

• The history of 'Yeah'

In which context is 'Yeah' most commonly used?

• Scientific papers

• Formal speeches

• Casual conversations

• Legal documents

What is a key takeaway from the conclusion section?

• 'Yeah' is a formal expression

• 'Yeah' is only used in informal settings

• 'Yeah' has multiple applications in different contexts

• 'Yeah' is rarely used in modern language