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

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

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