How do I get full marks for this question "Describe how a vaccination leads to antibody production" ?

Mark 1: What is a vaccine?A vaccine contains antigens from an inactive form of a specific pathogen.
Mark 2: Which cells are first to respond to the antigen?Antigen presenting cells such as macrophages present the antigen on cell surface receptors
Mark 3: Which cells are induced next?Helper T cells which are specific to that antigen stimulate specific B cells to divide into plasma cells
Mark 4: How are antibodies produced?Plasma cells produce the specific antibody