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

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

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