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

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

*GRAMMAR*
lug -> GREEN 
 tufa -> PINK 
 wif -> YELLOW 
 kiki -> PURPLE 
 u1 dax -> [u1] [u1] [u1] 
 x1 zup x2 -> [x2] [x1] 
 u1 fep u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 