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

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

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