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

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

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