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

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

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