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

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

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