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

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

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