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

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

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