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

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

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