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

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

*GRAMMAR*
wif -> YELLOW 
 tufa -> PURPLE 
 blicket -> GREEN 
 fep -> BLUE 
 u1 lug x1 -> [x1] [u1] 
 u1 gazzer u2 -> [u1] [u1] [u2] [u2] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 