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

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

*GRAMMAR*
lug -> BLUE 
 zup -> PURPLE 
 fep -> RED 
 wif -> GREEN 
 x1 tufa -> [x1] [x1] [x1] 
 u1 kiki -> [u1] [u1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 