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

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

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