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

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

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