*SUPPORT*
IN: gazzer kiki OUT: RED PURPLE
IN: kiki gazzer kiki lug gazzer OUT: PURPLE RED RED PURPLE
IN: gazzer OUT: RED
IN: kiki wif gazzer tufa wif OUT: PURPLE GREEN RED GREEN GREEN GREEN RED RED
IN: wif OUT: GREEN
IN: gazzer lug gazzer OUT: RED RED
IN: fep OUT: YELLOW
IN: wif lug gazzer OUT: RED GREEN
IN: gazzer tufa wif OUT: RED GREEN GREEN GREEN RED RED
IN: wif tufa gazzer OUT: GREEN RED RED RED GREEN GREEN
IN: fep wif lug wif OUT: YELLOW GREEN GREEN
IN: kiki OUT: PURPLE
IN: kiki gazzer tufa gazzer OUT: PURPLE RED RED RED RED RED RED
IN: wif kiki dax kiki wif OUT: PURPLE GREEN GREEN PURPLE

*QUERY*
IN: wif lug wif OUT: GREEN GREEN
IN: wif dax gazzer tufa gazzer OUT: RED RED RED RED RED RED GREEN
IN: gazzer lug kiki OUT: PURPLE RED
IN: gazzer lug gazzer dax fep OUT: YELLOW RED RED
IN: wif lug fep OUT: YELLOW GREEN
IN: fep wif lug kiki OUT: YELLOW PURPLE GREEN
IN: gazzer lug fep dax gazzer lug fep OUT: YELLOW RED YELLOW RED
IN: gazzer lug fep OUT: YELLOW RED
IN: fep lug wif OUT: GREEN YELLOW
IN: kiki kiki tufa kiki OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE

*GRAMMAR*
kiki -> PURPLE 
 wif -> GREEN 
 gazzer -> RED 
 fep -> YELLOW 
 x1 dax x2 -> [x2] [x1] 
 u1 lug u2 -> [u2] [u1] 
 u1 tufa u2 -> [u1] [u2] [u2] [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 