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

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

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