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

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

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