Assertion: lymph node's cell | /r/CapableOf | prepare the body
Facets:
value: to fight a possible infection
type: PURPOSE
Source sentences:
text: Once the antigens of a pathogen are detected, the T and B cells spread and prepare the body to fight a possible infection.
text: Once the antigens of a pathogen are detected, the T and B cells spread and prepare the body to fight a possible infection.