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

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

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