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

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

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