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

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

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