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

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

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