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

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

*GRAMMAR*
fep -> RED 
 wif -> YELLOW 
 blicket -> BLUE 
 gazzer -> PURPLE 
 x1 dax x2 -> [x1] [x2] 
 x1 tufa u1 -> [u1] [x1] 
 u1 zup x1 -> [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 