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

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

*GRAMMAR*
wif -> GREEN 
 dax -> YELLOW 
 lug -> PINK 
 tufa -> RED 
 x1 fep u1 -> [u1] [x1] 
 x1 gazzer -> [x1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 