A large group of people are packed tightly into a train.
The people are looking into a train
The people are sleeping
Only a portion of the document was available to the public.
For example, GAO doesn't rely on the work of the IGs, instead, they employ volunteers.
Rarely.
Reviewers have argued that long-term estimates could be biased and that short-term estimates might also have a low bias.
When the weather is nice, it is much preferable to have a picnic.
A person is swimming with goggles