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

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

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