Semantic specification for example: PRIMER-3A
(EXAMPLE
:NAME PRIMER-3A
:GENERATEDFORM "The Knox sails until Wednesday."
:TARGETFORM "The Knox sails until Wednesday."
:LOGICALFORM
(E / SAIL :ACTOR
(S / SHIP :NAME KNOX)
:UNTIL
(D / DAY :NAME WEDNESDAY))
:SET-NAME |penman-primer|
)