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

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

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