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

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

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