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

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

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