Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: Sponsored by Mr Blanc From Natalie Portman, named the world's most attractive woman, to Made in Chelsea's Lucy Watson, there's one thing all A Listers have in common: perfect white teeth. And unlike their expensive couture frocks and multi-million pound rocks, it's something we can do, too. Teeth whitening is rocketing in popularity, as more people realise how a whiter smile can boost their confidence and make them more attractive. But you've got to do it properly, or you put the health of your teeth - and wallet - at risk. If you've longed to copy the white teeth sported by the stars of Made in Chelsea or TOWIE, we can now reveal their secret.From Made in Chelsea to TOWIE, all the stars have perfect white teethNew study shows that having whiter teeth makes people more confidentBut some teeth whitening methods can be expensive - and dangerousWe reveal the secret - and affordable - product that removes stains safelyMr Blanc makes teeth an average of three shades whiter in two weeksSafe, effective system, loved by the stars, is coming to a Boots near you 
 Question:Mr._ is also available from www.mrblancteeth.com and offers worldwide shipping

Blanc