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

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

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