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

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

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