A young man in a black shirt is looking at and pointing to a message on a giant machine bearing the brand name `` Blackberry . ''
It is probably not the case that a young man is familiar with the brand of that giant machine .
It is highly likely that a young man is familiar with the brand of that giant machine .
It is probably not the case that a young man is familiar with the brand of that giant machine .
A young man is familiar with the brand of that giant machine .