Assertion: tank's design | /r/HasProperty | presented to the war office
Facets:
value: according to the most popular one
type: OTHER
value: on st. valentine's day
type: TEMPORAL
Source sentences:
text: According to the most popular one, the design was presented to the War Office on St. Valentine's Day, 14 February 1940, although some sources say that the design was submitted on Valentine's Day 1938 or 10 February 1938.