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

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

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