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

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

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