*SUPPORT*
IN: wif lug OUT: BLUE BLUE BLUE
IN: gazzer OUT: PINK
IN: tufa zup tufa OUT: RED RED RED RED
IN: gazzer zup gazzer OUT: PINK PINK PINK PINK
IN: kiki zup wif OUT: BLUE BLUE PURPLE PURPLE
IN: gazzer fep OUT: PINK PINK
IN: gazzer tufa zup wif OUT: PINK BLUE BLUE RED RED
IN: wif OUT: BLUE
IN: wif zup wif OUT: BLUE BLUE BLUE BLUE
IN: tufa kiki wif fep OUT: RED PURPLE BLUE RED PURPLE BLUE
IN: gazzer zup tufa OUT: RED RED PINK PINK
IN: kiki fep OUT: PURPLE PURPLE
IN: kiki OUT: PURPLE
IN: kiki wif lug OUT: PURPLE BLUE PURPLE BLUE PURPLE BLUE

*QUERY*
IN: kiki zup tufa OUT: RED RED PURPLE PURPLE
IN: wif gazzer zup tufa OUT: BLUE RED RED PINK PINK
IN: wif zup gazzer fep OUT: PINK PINK BLUE BLUE PINK PINK BLUE BLUE
IN: gazzer zup kiki OUT: PURPLE PURPLE PINK PINK
IN: kiki gazzer lug OUT: PURPLE PINK PURPLE PINK PURPLE PINK
IN: gazzer tufa OUT: PINK RED
IN: tufa kiki fep OUT: RED PURPLE RED PURPLE
IN: kiki wif zup tufa OUT: PURPLE RED RED BLUE BLUE
IN: wif tufa fep OUT: BLUE RED BLUE RED
IN: wif zup tufa OUT: RED RED BLUE BLUE

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