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

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

*GRAMMAR*
tufa -> BLUE 
 lug -> PURPLE 
 fep -> GREEN 
 zup -> YELLOW 
 u1 blicket u2 -> [u1] [u2] [u1] 
 x1 dax -> [x1] [x1] [x1] 
 x1 wif x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 