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

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

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