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

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

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