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

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

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