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

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

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