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

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

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