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

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

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