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

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

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