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

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

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