*SUPPORT*
IN: lug tufa lug OUT: GREEN GREEN GREEN GREEN GREEN
IN: wif tufa dax OUT: PINK PINK BLUE BLUE BLUE
IN: lug zup blicket OUT: GREEN RED
IN: blicket tufa wif zup lug blicket OUT: RED RED PINK PINK PINK GREEN RED
IN: wif gazzer OUT: PINK PINK PINK
IN: dax gazzer OUT: BLUE BLUE BLUE
IN: dax dax dax wif gazzer OUT: BLUE BLUE BLUE PINK PINK PINK
IN: blicket tufa lug OUT: RED RED GREEN GREEN GREEN
IN: blicket wif OUT: RED PINK
IN: wif gazzer zup blicket tufa wif OUT: PINK PINK PINK RED RED PINK PINK PINK
IN: lug OUT: GREEN
IN: blicket gazzer OUT: RED RED RED
IN: blicket tufa wif OUT: RED RED PINK PINK PINK
IN: blicket tufa dax OUT: RED RED BLUE BLUE BLUE

*QUERY*
IN: dax OUT: BLUE
IN: lug blicket lug tufa lug OUT: GREEN RED GREEN GREEN GREEN GREEN GREEN
IN: lug tufa blicket OUT: GREEN GREEN RED RED RED
IN: lug gazzer OUT: GREEN GREEN GREEN
IN: wif lug OUT: PINK GREEN
IN: dax tufa dax OUT: BLUE BLUE BLUE BLUE BLUE
IN: wif tufa blicket OUT: PINK PINK RED RED RED
IN: lug lug zup wif lug gazzer zup wif OUT: GREEN GREEN PINK GREEN GREEN GREEN PINK
IN: wif zup dax gazzer OUT: PINK BLUE BLUE BLUE
IN: wif OUT: PINK

*GRAMMAR*
lug -> GREEN 
 wif -> PINK 
 dax -> BLUE 
 blicket -> RED 
 u1 tufa u2 -> [u1] [u1] [u2] [u2] [u2] 
 x1 zup x2 -> [x1] [x2] 
 u1 gazzer -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 