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

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

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