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

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

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