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

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

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