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

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

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