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

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

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