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

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

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