*SUPPORT*
IN: wif blicket gazzer OUT: PURPLE YELLOW PURPLE YELLOW PURPLE
IN: kiki fep OUT: RED RED RED
IN: lug kiki OUT: GREEN RED
IN: wif kiki tufa wif tufa kiki OUT: YELLOW RED YELLOW RED
IN: gazzer kiki fep OUT: PURPLE RED RED RED
IN: lug fep tufa lug tufa gazzer tufa wif OUT: GREEN GREEN GREEN GREEN PURPLE YELLOW
IN: lug fep OUT: GREEN GREEN GREEN
IN: kiki lug tufa wif OUT: RED GREEN YELLOW
IN: kiki kiki tufa wif OUT: RED RED YELLOW
IN: kiki gazzer kiki kiki kiki tufa kiki OUT: RED PURPLE RED RED RED RED
IN: kiki kiki wif fep tufa wif tufa kiki OUT: RED RED YELLOW YELLOW YELLOW YELLOW RED
IN: gazzer blicket kiki OUT: RED PURPLE RED PURPLE RED
IN: gazzer fep tufa kiki OUT: PURPLE PURPLE PURPLE RED
IN: gazzer OUT: PURPLE

*QUERY*
IN: gazzer blicket wif OUT: YELLOW PURPLE YELLOW PURPLE YELLOW
IN: wif OUT: YELLOW
IN: gazzer tufa kiki tufa kiki OUT: PURPLE RED RED
IN: wif tufa wif blicket kiki OUT: RED YELLOW YELLOW RED YELLOW YELLOW RED
IN: kiki lug blicket wif OUT: YELLOW RED GREEN YELLOW RED GREEN YELLOW
IN: gazzer gazzer tufa kiki OUT: PURPLE PURPLE RED
IN: wif lug lug OUT: YELLOW GREEN GREEN
IN: lug OUT: GREEN
IN: wif fep tufa wif OUT: YELLOW YELLOW YELLOW YELLOW
IN: kiki OUT: RED

*GRAMMAR*
wif -> YELLOW 
 lug -> GREEN 
 kiki -> RED 
 gazzer -> PURPLE 
 x1 tufa u1 -> [x1] [u1] 
 u1 fep -> [u1] [u1] [u1] 
 x1 blicket u1 -> [u1] [x1] [u1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 