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

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

*GRAMMAR*
wif -> RED 
 gazzer -> GREEN 
 zup -> YELLOW 
 kiki -> PINK 
 u1 lug -> [u1] [u1] 
 u1 tufa -> [u1] [u1] 
 x1 fep x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 