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

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

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