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

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

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