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

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

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