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

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

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