*SUPPORT*
IN: dax gazzer lug OUT: PURPLE PURPLE PINK
IN: lug fep OUT: PINK PINK
IN: lug tufa wif OUT: PINK GREEN
IN: lug OUT: PINK
IN: kiki gazzer kiki OUT: YELLOW YELLOW YELLOW
IN: dax dax tufa dax OUT: PURPLE PURPLE PURPLE
IN: kiki dax OUT: YELLOW PURPLE
IN: lug gazzer kiki OUT: PINK PINK YELLOW
IN: wif dax OUT: GREEN PURPLE
IN: dax tufa wif OUT: PURPLE GREEN
IN: kiki fep OUT: YELLOW YELLOW
IN: lug tufa dax OUT: PINK PURPLE
IN: lug tufa lug OUT: PINK PINK
IN: wif fep OUT: GREEN GREEN

*QUERY*
IN: wif tufa lug OUT: GREEN PINK
IN: dax OUT: PURPLE
IN: wif wif fep OUT: GREEN GREEN GREEN
IN: kiki gazzer lug OUT: YELLOW YELLOW PINK
IN: lug gazzer lug OUT: PINK PINK PINK
IN: dax dax gazzer kiki OUT: PURPLE PURPLE PURPLE YELLOW
IN: dax fep OUT: PURPLE PURPLE
IN: kiki wif fep OUT: YELLOW GREEN GREEN
IN: wif kiki fep OUT: GREEN YELLOW YELLOW
IN: wif gazzer kiki OUT: GREEN GREEN YELLOW

*GRAMMAR*
dax -> PURPLE 
 wif -> GREEN 
 kiki -> YELLOW 
 lug -> PINK 
 u1 gazzer u2 -> [u1] [u1] [u2] 
 u1 fep -> [u1] [u1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 