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

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

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