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

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

*GRAMMAR*
blicket -> RED 
 zup -> YELLOW 
 lug -> PINK 
 wif -> GREEN 
 x1 dax u1 -> [x1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 x1 fep x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 