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

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

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