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

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

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