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

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

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