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

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

*GRAMMAR*
tufa -> PURPLE 
 lug -> RED 
 wif -> PINK 
 gazzer -> BLUE 
 x1 fep u1 -> [x1] [u1] 
 x1 kiki -> [x1] [x1] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 