*SUPPORT*
IN: kiki tufa OUT: GREEN GREEN
IN: lug tufa wif fep OUT: RED RED RED RED YELLOW
IN: dax tufa wif dax OUT: PINK PINK PINK PINK PINK
IN: lug blicket fep OUT: RED YELLOW RED
IN: dax blicket kiki OUT: PINK GREEN PINK
IN: kiki blicket lug wif lug OUT: GREEN RED GREEN GREEN RED GREEN RED
IN: kiki wif lug wif lug OUT: GREEN GREEN RED GREEN GREEN RED RED
IN: fep OUT: YELLOW
IN: lug kiki tufa OUT: RED GREEN GREEN
IN: lug dax dax blicket kiki OUT: RED PINK PINK GREEN PINK
IN: lug blicket kiki OUT: RED GREEN RED
IN: fep fep tufa OUT: YELLOW YELLOW YELLOW
IN: dax lug tufa wif dax OUT: PINK RED RED PINK RED RED PINK
IN: dax wif fep OUT: PINK PINK YELLOW

*QUERY*
IN: dax OUT: PINK
IN: kiki kiki OUT: GREEN GREEN
IN: fep tufa OUT: YELLOW YELLOW
IN: kiki blicket kiki OUT: GREEN GREEN GREEN
IN: dax tufa OUT: PINK PINK
IN: lug OUT: RED
IN: fep blicket dax OUT: YELLOW PINK YELLOW
IN: kiki lug lug OUT: GREEN RED RED
IN: kiki wif lug OUT: GREEN GREEN RED
IN: dax wif kiki OUT: PINK PINK GREEN

*GRAMMAR*
kiki -> GREEN 
 fep -> YELLOW 
 lug -> RED 
 dax -> PINK 
 x1 wif u1 -> [x1] [x1] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 blicket u2 -> [u1] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 