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

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

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