Answer:
Semantic encoding.
Explanation:
When the meaning of a date, phrase, word, picture, etc, is encoded as opposed to the sound or imagery of it, we call that semantic encoding. In the exercise, the encoding would be the same date that shares the anniversary of Whitneys neighbours with her own birthday. They, ignoring the fact that its her birthday, believe that she never forgets. But she has, in fact, a semantic encoding with the dates.
To maintain good relations between British and Native Americans
The situation represented above is an example of common conflict between parents and their adult children that is called conflict of intergenerational relationships. People from different generations have different views towards many issues such as education and nurturing. People that belong to different generation type have different life perspective therefore some older people can consider modern parents' ways of nurturing to be inappropriate.