Assertion: immune system's cell | /r/CapableOf | miss self
Facets:
Source sentences:
text: They were named "natural killer" because of the initial notion that they do not require activation in order to kill cells that are "missing self.
text: They were named "natural killer" because of the initial notion that they do not require activation in order to kill cells that are "missing self.
text: They were named "natural killer" because they do not require activation in order to kill cells that are "missing self".
text: They were named "natural killer" because of the initial notion that they do not require activation in order to kill cells that are "missing self.