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

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

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