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

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

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