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

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

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