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

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

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