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

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

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