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

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

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