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

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

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