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

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

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