*SUPPORT*
IN: wif OUT: GREEN
IN: kiki lug blicket OUT: RED PURPLE RED
IN: wif dax kiki dax tufa dax tufa OUT: GREEN RED YELLOW YELLOW
IN: kiki kiki kiki kiki zup wif dax wif OUT: RED RED RED GREEN RED GREEN
IN: kiki lug kiki OUT: RED RED RED
IN: tufa OUT: YELLOW
IN: tufa lug tufa dax kiki OUT: YELLOW YELLOW YELLOW RED
IN: tufa zup blicket zup kiki OUT: RED PURPLE YELLOW
IN: wif tufa blicket OUT: GREEN YELLOW PURPLE
IN: kiki zup blicket zup wif dax blicket OUT: GREEN PURPLE RED PURPLE
IN: blicket tufa lug wif OUT: PURPLE YELLOW GREEN YELLOW
IN: kiki zup kiki OUT: RED RED
IN: wif lug tufa OUT: GREEN YELLOW GREEN
IN: kiki zup wif lug blicket OUT: GREEN PURPLE GREEN RED

*QUERY*
IN: tufa lug blicket dax wif OUT: YELLOW PURPLE YELLOW GREEN
IN: wif wif wif OUT: GREEN GREEN GREEN
IN: tufa lug blicket OUT: YELLOW PURPLE YELLOW
IN: wif zup kiki tufa lug tufa OUT: RED YELLOW YELLOW YELLOW GREEN
IN: wif zup kiki zup tufa OUT: YELLOW RED GREEN
IN: kiki tufa lug kiki OUT: RED YELLOW RED YELLOW
IN: blicket OUT: PURPLE
IN: blicket tufa OUT: PURPLE YELLOW
IN: tufa lug kiki OUT: YELLOW RED YELLOW
IN: blicket blicket wif dax blicket OUT: PURPLE PURPLE GREEN PURPLE

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