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

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

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