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

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

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