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

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

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