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

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

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