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

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

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