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

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

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