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

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

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