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

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

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