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

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

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