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

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

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