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

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

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