I believe there are only 3 members.
The psychologist is likely using a psychological testing which aims to pursue an objective and standardized measure of a sample behavior. It could be seen in the example above as the psychologist made use of the personality test score to project of which client is likely to benefit more from a specific type of substance abuse treatment.
The Gettysburg Address was given by Abraham Lincoln, no doubt. It was given at the Gettysburg National Cemetery, which is around 90 miles from the White House, so my best guess would be on a battlefield.
An Oasis because a gravel-covered plain would hurt there feet.A salted crusted flat is dangers if one little piece of water touches the salt could ruin the whole area.A rocky plateau they would have have to climb up and down the plateau and they could get hurt.A Oasis has pure water,and enough trees to keep most or all the air pure, and almost to no dangers animals
