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

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

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