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

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

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