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

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

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