Assertion: call | /r/HasProperty | letter
Facets:
value: from january
type: TEMPORAL
value: to l
type: TRANSITIVE-OBJECT
Source sentences:
text: Expiration is always the third Friday of the month, so,since calls are identified by the letters A to L (from January to December) and puts from M to X, a single letter in the penultimate position reveals whether the option is a put or a call and the exact date of expiration.