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

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

*GRAMMAR*
kiki -> BLUE 
 wif -> GREEN 
 dax -> RED 
 fep -> PURPLE 
 u1 blicket -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 