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

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

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