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

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

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