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

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

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