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

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

*GRAMMAR*
fep -> PINK 
 dax -> YELLOW 
 tufa -> PURPLE 
 wif -> GREEN 
 u1 lug u2 -> [u2] [u2] [u2] [u1] 
 x1 blicket -> [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 