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

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

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