*SUPPORT*
IN: fep zup blicket dax OUT: YELLOW RED RED GREEN GREEN
IN: dax kiki OUT: RED RED
IN: tufa zup OUT: PURPLE GREEN
IN: fep OUT: YELLOW
IN: tufa kiki OUT: PURPLE PURPLE
IN: dax dax blicket dax wif zup OUT: RED RED RED RED RED GREEN
IN: dax dax wif zup OUT: RED RED GREEN
IN: fep zup wif fep OUT: YELLOW GREEN YELLOW
IN: dax wif tufa kiki OUT: RED PURPLE RED PURPLE
IN: zup blicket fep OUT: YELLOW YELLOW GREEN GREEN
IN: fep blicket zup OUT: GREEN GREEN YELLOW YELLOW
IN: dax wif tufa OUT: RED PURPLE
IN: zup fep kiki OUT: GREEN YELLOW GREEN YELLOW
IN: zup tufa wif tufa kiki OUT: GREEN PURPLE PURPLE GREEN PURPLE PURPLE

*QUERY*
IN: dax zup kiki OUT: RED GREEN RED GREEN
IN: tufa blicket fep OUT: YELLOW YELLOW PURPLE PURPLE
IN: zup blicket zup kiki OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: zup zup blicket dax wif zup OUT: GREEN RED RED GREEN GREEN GREEN
IN: zup kiki OUT: GREEN GREEN
IN: zup OUT: GREEN
IN: dax blicket fep OUT: YELLOW YELLOW RED RED
IN: tufa tufa blicket dax wif fep OUT: PURPLE RED RED PURPLE PURPLE YELLOW
IN: tufa OUT: PURPLE
IN: dax zup kiki wif zup OUT: RED GREEN RED GREEN GREEN

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