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

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

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