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

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

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