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

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

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