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

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

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