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

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

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