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

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

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