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

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

*GRAMMAR*
wif -> GREEN 
 fep -> PURPLE 
 zup -> PINK 
 kiki -> BLUE 
 u1 dax u2 -> [u1] [u2] 
 u1 tufa u2 -> [u2] [u2] [u1] 
 x1 lug u1 -> [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 