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

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

*GRAMMAR*
tufa -> RED 
 kiki -> YELLOW 
 dax -> GREEN 
 lug -> PINK 
 x1 fep x2 -> [x2] [x2] [x1] [x2] 
 x1 gazzer -> [x1] [x1] 
 u1 wif u2 -> [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 