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

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

*GRAMMAR*
wif -> GREEN 
 gazzer -> PINK 
 kiki -> YELLOW 
 tufa -> RED 
 x1 fep x2 -> [x1] [x1] [x2] [x1] 
 u1 lug u2 -> [u1] [u2] [u2] 
 x1 zup -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 