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

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

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