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

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

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