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

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

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