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

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

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