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

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

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