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

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

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