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

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

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