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

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

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