How do only and first born children feel in regard to their peers?

According to Conway and Pleydell-Pearce's (2000) theory, which of the following is NOT one of the levels of specificity in the autobiographical memory knowledge base:

a) Lifetime periods - memories that cover substantial periods of time defined by major ongoing situations (e.g. time spent working in one job) b) General events - Including both repeated events (e.g. visiting the gym) and single events (e.g. a holiday) c) Event-specific knowledge - Images, felings and other details relating to general events spanning periods of time. d) Flashbulb memories - Vivid memories of specific events (e.g. sudden death of a loved one)

The frail elderly are those who are infirm, very ill, or cognitively impaired

Indicate whether this statement is true or false.