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

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

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