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

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

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