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

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

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