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

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

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