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

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

*GRAMMAR*
tufa -> BLUE 
 wif -> YELLOW 
 zup -> PINK 
 fep -> GREEN 
 x1 lug -> [x1] [x1] 
 x1 dax x2 -> [x1] [x2] 
 x1 kiki x2 -> [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 