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

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

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