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

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

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