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

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

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