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

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

*GRAMMAR*
blicket -> BLUE 
 zup -> YELLOW 
 wif -> GREEN 
 tufa -> PURPLE 
 x1 lug x2 -> [x1] [x2] 
 u1 fep -> [u1] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 