syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"mapping"}]}
source_snippet: mapping is from one scope to a vector of SEME regions. Since the SEME regions
context_before: scope may in fact correspond to multiple, disjoint SEME regions. So in fact our
context_after: are disjoint, the mapping is still one-to-one for the set of SEME regions that