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

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

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