Assertion: grand slam | /r/HasProperty | tested at the ashley range
Facets:
value: in the new forest
type: LOCATION
value: on 13 march
type: TEMPORAL
Source sentences:
text: The first Grand Slam was tested at the Ashley Range in the New Forest, on 13 March 1945 and left a hole 30 ft (9.1 m) deep with a diameter of 124 ft (38 m).