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

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

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