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

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

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