input --> function_no_parameter; function_with_file_name,file_name; function_show,variable_name; function_show,variable_name,variable_value; function_show,variable_name,function_colour; function_show,variable_name,function_colour,variable_value; function_show,variable_name,function_colour. % load knowledgebase :- consult('vis5d_knowledgebase.pl').