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

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

*GRAMMAR*
tufa -> PINK 
 lug -> PURPLE 
 wif -> RED 
 fep -> GREEN 
 u1 gazzer -> [u1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 blicket u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 