Eight killed, 26 injured, in blast near bus station

The video tutorial begins with Sandra providing an introduction and setting the stage for the content to follow.

How might the duration of 1640 relate to the content discussed?

• It indicates a long discussion

• It shows a brief mention

• It is irrelevant

• It suggests a detailed explanation

What can be inferred about the context in which 'Sandra' is mentioned?

• It is a casual mention

• It is part of a formal discussion

• It is a reference to a book

• It is a name in a song