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

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

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