CLEAN : Argentine VP Kirchner leaves residence a day after attack

What is the primary focus of the introduction section?

• The concept of 'Later'

• The concept of 'Now'

• The future

• The past

In what context is 'Now' explored in the second section?

• Scientific context

• Various contexts

• Future predictions

• Historical context

What is emphasized in the conclusion section?

• The importance of the past

• The importance of 'Now'

• The importance of the future

• The irrelevance of 'Now'