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

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

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