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

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

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