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

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

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