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

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

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