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

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

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