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

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

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