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

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

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