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

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

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