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

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

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