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

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

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