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

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

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