The names of the companies are confidential and were not known to the researchers.
The researchers were not aware of the companies' names.
The researchers knew the names of all of the companies involved.
Robert Chambers is not in the network or a member.
The only way to the upper part is via a straight, wide avenue.
The people are reading books.
A woman is getting her chin waxed.
I'm going to start working full time in the summer.
I always knew he was completely trustworthy.