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

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

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