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

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

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