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

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

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