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

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

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