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

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

*GRAMMAR*
dax -> RED 
 wif -> BLUE 
 lug -> GREEN 
 blicket -> PURPLE 
 u1 fep -> [u1] [u1] 
 u1 gazzer -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 