Task: Question Answering
Input (English):  Which of the following is an assumption in Maslow's hierarchy of needs?
(A)Needs are dependent on culture and also on social class. (B)Lower-level needs must be at least partially satisfied before higher needs can affect behaviour. (C)Needs are not prioritized or arranged in any particular order. (D)Satisfied needs are motivators, and new needs emerge when current needs remain unmet.
Output (English): B