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

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

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