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

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

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