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

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

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