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

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

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