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

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

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