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

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

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