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

*QUERY*
IN: tufa wif zup OUT: BLUE PURPLE BLUE PURPLE
IN: blicket fep wif OUT: GREEN GREEN PURPLE GREEN
IN: wif dax OUT: PURPLE PURPLE
IN: blicket fep blicket zup OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif tufa dax OUT: PURPLE BLUE BLUE
IN: blicket wif dax OUT: GREEN PURPLE PURPLE
IN: wif dax zup OUT: PURPLE PURPLE PURPLE PURPLE
IN: wif blicket fep blicket OUT: PURPLE GREEN GREEN GREEN GREEN
IN: blicket dax OUT: GREEN GREEN
IN: wif fep blicket OUT: PURPLE PURPLE GREEN PURPLE

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