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

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

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