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

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

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