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

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

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