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

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

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