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

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

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