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

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

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