*SUPPORT*
IN: fep kiki zup OUT: GREEN RED
IN: fep kiki fep gazzer lug tufa lug OUT: BLUE RED RED BLUE RED RED BLUE
IN: lug fep lug gazzer wif gazzer zup OUT: BLUE RED BLUE PINK GREEN
IN: wif kiki fep tufa lug OUT: BLUE RED PINK RED PINK
IN: zup kiki lug OUT: BLUE GREEN
IN: fep zup gazzer lug gazzer fep OUT: RED GREEN BLUE RED
IN: wif tufa lug OUT: BLUE PINK PINK
IN: wif lug kiki wif OUT: PINK PINK BLUE
IN: zup kiki wif OUT: PINK GREEN
IN: wif kiki lug tufa zup gazzer lug OUT: GREEN BLUE PINK BLUE PINK BLUE
IN: fep OUT: RED
IN: wif kiki wif OUT: PINK PINK
IN: wif zup gazzer fep gazzer wif OUT: PINK GREEN RED PINK
IN: wif kiki fep OUT: RED PINK

*QUERY*
IN: lug OUT: BLUE
IN: zup kiki zup OUT: GREEN GREEN
IN: wif OUT: PINK
IN: wif wif tufa wif gazzer fep OUT: PINK PINK PINK PINK PINK RED
IN: zup gazzer zup tufa lug OUT: BLUE GREEN GREEN GREEN GREEN
IN: wif kiki zup OUT: GREEN PINK
IN: zup lug kiki fep gazzer lug gazzer wif OUT: GREEN RED BLUE BLUE PINK
IN: zup OUT: GREEN
IN: fep kiki wif tufa zup OUT: GREEN PINK RED PINK RED
IN: wif lug gazzer lug OUT: PINK BLUE BLUE

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