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

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

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