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

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

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