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

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

*GRAMMAR*
lug -> RED 
 blicket -> PINK 
 wif -> BLUE 
 zup -> GREEN 
 u1 fep u2 -> [u2] [u2] [u1] 
 u1 dax u2 -> [u1] [u2] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 