*SUPPORT*
IN: kiki gazzer tufa OUT: GREEN RED
IN: wif fep gazzer fep OUT: PINK YELLOW YELLOW
IN: tufa dax OUT: GREEN GREEN GREEN GREEN
IN: wif wif wif dax OUT: PINK PINK PINK PINK PINK PINK
IN: wif kiki gazzer tufa OUT: PINK GREEN RED
IN: wif gazzer wif OUT: PINK PINK
IN: tufa OUT: GREEN
IN: fep gazzer kiki OUT: RED YELLOW
IN: kiki gazzer fep OUT: YELLOW RED
IN: kiki lug OUT: RED RED RED RED
IN: wif fep lug OUT: PINK YELLOW YELLOW YELLOW YELLOW
IN: kiki wif lug OUT: RED PINK PINK PINK PINK
IN: fep lug OUT: YELLOW YELLOW YELLOW YELLOW
IN: kiki OUT: RED

*QUERY*
IN: wif dax OUT: PINK PINK PINK PINK
IN: wif fep gazzer tufa OUT: PINK GREEN YELLOW
IN: fep OUT: YELLOW
IN: wif kiki gazzer wif OUT: PINK PINK RED
IN: wif gazzer fep OUT: YELLOW PINK
IN: wif kiki dax OUT: PINK RED RED RED RED
IN: kiki tufa kiki OUT: RED GREEN RED
IN: tufa lug OUT: GREEN GREEN GREEN GREEN
IN: tufa gazzer tufa OUT: GREEN GREEN
IN: wif lug OUT: PINK PINK PINK PINK

*GRAMMAR*
wif -> PINK 
 tufa -> GREEN 
 kiki -> RED 
 fep -> YELLOW 
 u1 lug -> [u1] [u1] [u1] [u1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 dax -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 