*SUPPORT*
IN: lug blicket lug OUT: BLUE BLUE
IN: wif fep kiki OUT: GREEN YELLOW YELLOW YELLOW
IN: lug lug blicket lug OUT: BLUE BLUE BLUE
IN: fep tufa wif zup zup blicket wif OUT: YELLOW GREEN PINK PINK GREEN
IN: lug blicket zup OUT: BLUE PINK
IN: zup OUT: PINK
IN: fep blicket lug tufa lug OUT: YELLOW BLUE BLUE
IN: fep wif blicket lug OUT: YELLOW GREEN BLUE
IN: lug kiki OUT: BLUE BLUE BLUE
IN: fep zup kiki tufa fep blicket lug OUT: YELLOW PINK PINK PINK YELLOW BLUE
IN: lug blicket wif OUT: BLUE GREEN
IN: fep blicket wif OUT: YELLOW GREEN
IN: wif blicket zup OUT: GREEN PINK
IN: zup wif wif fep kiki OUT: PINK GREEN GREEN YELLOW YELLOW YELLOW

*QUERY*
IN: zup blicket wif tufa lug zup blicket lug OUT: PINK GREEN BLUE PINK BLUE
IN: zup kiki OUT: PINK PINK PINK
IN: wif OUT: GREEN
IN: fep kiki OUT: YELLOW YELLOW YELLOW
IN: wif wif OUT: GREEN GREEN
IN: zup tufa zup lug blicket fep OUT: PINK PINK BLUE YELLOW
IN: fep blicket lug OUT: YELLOW BLUE
IN: wif blicket lug OUT: GREEN BLUE
IN: fep OUT: YELLOW
IN: wif kiki OUT: GREEN GREEN GREEN

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