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

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

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