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

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

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