*SUPPORT*
IN: wif OUT: RED
IN: wif dax gazzer OUT: GREEN RED
IN: wif tufa fep tufa OUT: RED YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa OUT: YELLOW
IN: wif wif dax wif OUT: RED RED RED
IN: blicket fep tufa OUT: PURPLE PURPLE YELLOW YELLOW PURPLE
IN: wif wif dax gazzer zup wif OUT: RED RED GREEN RED
IN: gazzer gazzer OUT: GREEN GREEN
IN: wif gazzer dax wif OUT: RED RED GREEN
IN: wif tufa fep wif zup wif OUT: RED RED YELLOW YELLOW RED RED YELLOW
IN: blicket dax tufa zup gazzer dax wif OUT: RED GREEN YELLOW PURPLE
IN: tufa fep wif OUT: YELLOW YELLOW RED RED YELLOW
IN: gazzer fep wif OUT: GREEN GREEN RED RED GREEN
IN: gazzer fep tufa OUT: GREEN GREEN YELLOW YELLOW GREEN

*QUERY*
IN: blicket OUT: PURPLE
IN: blicket dax blicket zup blicket dax blicket OUT: PURPLE PURPLE PURPLE PURPLE
IN: gazzer OUT: GREEN
IN: blicket dax wif zup wif OUT: RED RED PURPLE
IN: blicket fep wif OUT: PURPLE PURPLE RED RED PURPLE
IN: gazzer dax tufa OUT: YELLOW GREEN
IN: blicket dax blicket zup blicket OUT: PURPLE PURPLE PURPLE
IN: tufa gazzer OUT: YELLOW GREEN
IN: wif fep tufa OUT: RED RED YELLOW YELLOW RED
IN: blicket dax wif OUT: RED PURPLE

*GRAMMAR*
blicket -> PURPLE 
 tufa -> YELLOW 
 gazzer -> GREEN 
 wif -> RED 
 x1 zup x2 -> [x2] [x1] 
 u1 fep u2 -> [u1] [u1] [u2] [u2] [u1] 
 u1 dax u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 