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

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

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