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

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

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