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

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

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