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

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

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