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

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

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