CLEAN : FILE: Brazil's scandal hit Petrobras posts new losses for 2017

The video tutorial covers setting up measurements, improving flexibility, and casual English confirmations. It briefly touches on commercials and viruses, providing a diverse range of topics in a short span.

What is the significance of the word 'commercials' in the text?

• Advertisements

• News

• Entertainment

• Education

What does the text imply about the relationship between 'Virus' and 'commercials'?

• They are unrelated

• One promotes the other

• They are both harmful

• They are both beneficial