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

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

*GRAMMAR*
gazzer -> GREEN 
 wif -> RED 
 fep -> PINK 
 kiki -> BLUE 
 x1 lug x2 -> [x1] [x1] [x2] 
 x1 blicket u1 -> [u1] [x1] 
 u1 zup u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 