Assertion: anniversary | /r/HasProperty | linked with theme
Facets:
Source sentences:
text: Here she listed only 8 anniversaries that were already linked with a theme (the 1st, 5th, 10th, 15th, 20th, 25th, 50th and 75th) and then went on to outline symbolic gifts for the first 15 years, thus creating the basis of today’s lists.