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

*QUERY*
IN: wif kiki OUT: RED GREEN
IN: gazzer kiki wif lug OUT: BLUE GREEN RED RED RED RED
IN: tufa tufa lug zup wif OUT: RED RED PINK PINK PINK PINK PINK
IN: kiki OUT: GREEN
IN: kiki kiki lug OUT: GREEN GREEN GREEN GREEN GREEN
IN: tufa kiki lug OUT: PINK GREEN GREEN GREEN GREEN
IN: tufa OUT: PINK
IN: gazzer kiki OUT: BLUE GREEN
IN: wif wif wif lug OUT: RED RED RED RED RED RED
IN: wif OUT: RED

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