They were expected to behave that way, but not all of their personality could be completely restrained and covered up.
Ash was able to see just a small fragment of her character that existed but was unable to see no more than that.
The main problem that she came to realize was that the current task was not as complicated as she thought it was.
What Gary was asking for was to observe the character he told her to and not look beyond that.
He wanted her to be able to observe everything closely so that it would be possible to replicate it or to at least to try to.
If there was going to be something she would have to do as a part of an act and playing as a character, then what she had seen would serve as a source of inspiration for that.
Ash was new to the group and a complete beginner when it came to acting, so it was not like there would be any expectations for her to put on a more in-depth performance.
