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

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

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