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

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

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