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

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

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