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

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

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