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

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

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