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

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

*GRAMMAR*
gazzer -> PINK 
 tufa -> YELLOW 
 lug -> BLUE 
 wif -> GREEN 
 x1 blicket x2 -> [x1] [x2] [x1] 
 x1 fep -> [x1] [x1] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 