*SUPPORT*
IN: tufa OUT: PURPLE
IN: fep wif OUT: GREEN BLUE
IN: fep dax tufa OUT: PURPLE GREEN PURPLE
IN: lug dax wif OUT: BLUE PINK BLUE
IN: fep kiki wif kiki wif OUT: GREEN BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif kiki tufa OUT: BLUE PURPLE PURPLE
IN: fep blicket fep OUT: GREEN GREEN GREEN
IN: lug blicket tufa OUT: PURPLE PINK PINK
IN: lug blicket lug OUT: PINK PINK PINK
IN: lug kiki fep OUT: PINK GREEN GREEN
IN: tufa blicket wif OUT: BLUE PURPLE PURPLE
IN: lug lug OUT: PINK PINK
IN: tufa fep OUT: PURPLE GREEN
IN: tufa dax wif OUT: BLUE PURPLE BLUE

*QUERY*
IN: wif OUT: BLUE
IN: wif dax fep dax fep OUT: GREEN GREEN GREEN BLUE GREEN GREEN GREEN
IN: lug OUT: PINK
IN: lug wif dax lug kiki tufa OUT: PINK PINK PURPLE PURPLE BLUE PINK PURPLE PURPLE
IN: tufa blicket lug OUT: PINK PURPLE PURPLE
IN: tufa dax lug lug wif OUT: PINK PINK BLUE PURPLE PINK PINK BLUE
IN: fep dax fep OUT: GREEN GREEN GREEN
IN: wif blicket wif OUT: BLUE BLUE BLUE
IN: wif kiki lug dax fep OUT: BLUE GREEN PINK GREEN GREEN PINK GREEN
IN: fep OUT: GREEN

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