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

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

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