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

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

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