Assertion: drainage basin's tributary | /r/CapableOf | feed the thames
Facets:
value: between teddington lock
type: LOCATION
value: between its source
type: OTHER
Source sentences:
text: Brooks, canals and rivers, within an area of 3,842 square miles (9,951 km2), combine to form 38 main tributaries feeding the Thames between its source and Teddington Lock.