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

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

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