*SUPPORT*
IN: tufa zup OUT: BLUE PINK
IN: tufa dax wif OUT: BLUE GREEN GREEN
IN: zup wif lug tufa zup lug kiki wif OUT: PINK PINK BLUE PINK PURPLE PURPLE
IN: kiki OUT: PURPLE
IN: dax wif OUT: GREEN GREEN
IN: dax wif gazzer zup wif OUT: GREEN GREEN PINK PINK PINK PINK
IN: zup zup OUT: PINK PINK
IN: zup lug dax gazzer kiki wif gazzer zup OUT: PINK GREEN PURPLE PURPLE PURPLE PURPLE PINK PINK
IN: dax dax zup wif OUT: GREEN GREEN PINK PINK
IN: kiki wif OUT: PURPLE PURPLE
IN: zup dax dax wif OUT: PINK GREEN GREEN GREEN
IN: tufa OUT: BLUE
IN: tufa wif OUT: BLUE BLUE
IN: zup lug tufa wif lug dax wif OUT: PINK BLUE BLUE GREEN GREEN

*QUERY*
IN: tufa wif lug zup wif OUT: BLUE BLUE PINK PINK
IN: kiki dax wif OUT: PURPLE GREEN GREEN
IN: tufa dax gazzer tufa OUT: BLUE GREEN BLUE BLUE
IN: tufa kiki OUT: BLUE PURPLE
IN: dax tufa OUT: GREEN BLUE
IN: dax zup OUT: GREEN PINK
IN: kiki wif lug tufa wif OUT: PURPLE PURPLE BLUE BLUE
IN: dax OUT: GREEN
IN: zup wif OUT: PINK PINK
IN: zup OUT: PINK

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