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

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

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