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

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

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