*SUPPORT*
IN: tufa wif tufa fep blicket OUT: YELLOW YELLOW GREEN
IN: blicket blicket OUT: GREEN GREEN
IN: blicket fep blicket OUT: GREEN GREEN
IN: blicket OUT: GREEN
IN: tufa kiki gazzer dax OUT: YELLOW PURPLE RED YELLOW YELLOW
IN: dax gazzer wif dax OUT: RED RED PURPLE
IN: dax wif tufa fep tufa OUT: YELLOW RED YELLOW
IN: tufa wif tufa fep gazzer OUT: YELLOW YELLOW PURPLE
IN: tufa wif blicket OUT: GREEN YELLOW
IN: tufa gazzer wif gazzer OUT: YELLOW PURPLE PURPLE
IN: dax wif blicket OUT: GREEN RED
IN: blicket tufa fep tufa OUT: GREEN YELLOW YELLOW
IN: tufa wif dax OUT: RED YELLOW
IN: blicket blicket wif tufa fep gazzer fep blicket OUT: GREEN YELLOW GREEN PURPLE GREEN

*QUERY*
IN: dax wif tufa OUT: YELLOW RED
IN: tufa blicket tufa gazzer wif tufa OUT: YELLOW GREEN YELLOW YELLOW PURPLE
IN: gazzer fep gazzer OUT: PURPLE PURPLE
IN: gazzer tufa fep dax OUT: PURPLE YELLOW RED
IN: blicket tufa wif gazzer fep blicket OUT: GREEN PURPLE YELLOW GREEN
IN: dax OUT: RED
IN: tufa kiki gazzer wif dax OUT: YELLOW RED PURPLE YELLOW YELLOW
IN: gazzer OUT: PURPLE
IN: tufa OUT: YELLOW
IN: gazzer wif blicket OUT: GREEN PURPLE

*GRAMMAR*
gazzer -> PURPLE 
 tufa -> YELLOW 
 blicket -> GREEN 
 dax -> RED 
 u1 wif u2 -> [u2] [u1] 
 x1 fep u1 -> [x1] [u1] 
 x1 kiki x2 -> [x1] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 