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

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

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