*SUPPORT*
IN: kiki kiki OUT: GREEN GREEN
IN: kiki blicket OUT: GREEN BLUE
IN: zup OUT: PURPLE
IN: wif wif fep OUT: RED RED RED RED
IN: blicket fep tufa wif OUT: BLUE BLUE BLUE RED
IN: wif OUT: RED
IN: kiki lug kiki wif OUT: GREEN RED GREEN
IN: blicket OUT: BLUE
IN: wif kiki fep OUT: RED GREEN GREEN GREEN
IN: kiki fep OUT: GREEN GREEN GREEN
IN: blicket kiki fep tufa zup lug blicket wif OUT: BLUE RED BLUE GREEN GREEN GREEN PURPLE
IN: zup fep tufa kiki OUT: PURPLE PURPLE PURPLE GREEN
IN: wif fep tufa zup OUT: RED RED RED PURPLE
IN: blicket fep OUT: BLUE BLUE BLUE

*QUERY*
IN: zup tufa zup tufa zup OUT: PURPLE PURPLE PURPLE
IN: zup lug wif fep lug blicket fep OUT: BLUE BLUE BLUE RED RED RED PURPLE
IN: kiki OUT: GREEN
IN: kiki zup fep OUT: GREEN PURPLE PURPLE PURPLE
IN: blicket blicket tufa blicket tufa zup OUT: BLUE BLUE BLUE PURPLE
IN: wif kiki lug zup fep tufa wif OUT: PURPLE PURPLE PURPLE RED RED GREEN
IN: blicket tufa blicket OUT: BLUE BLUE
IN: wif fep OUT: RED RED RED
IN: kiki blicket zup zup OUT: GREEN BLUE PURPLE PURPLE
IN: zup wif kiki wif fep tufa wif OUT: PURPLE RED GREEN RED RED RED RED

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