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

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

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