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

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

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