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

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

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