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

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

*GRAMMAR*
gazzer -> BLUE 
 blicket -> PURPLE 
 dax -> YELLOW 
 zup -> GREEN 
 x1 fep u1 -> [u1] [x1] [u1] 
 u1 wif u2 -> [u1] [u2] [u2] [u2] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 