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

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

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