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

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

*GRAMMAR*
wif -> RED 
 dax -> GREEN 
 blicket -> PURPLE 
 zup -> BLUE 
 x1 tufa x2 -> [x2] [x1] 
 x1 fep -> [x1] [x1] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 