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

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

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