Hints
LM-C09-C-001
Rows correspond to token ids.
LM-C09-C-002
One id selects one vector.
LM-C09-C-003
Count the meanings named in the sentence.
LM-C09-C-004
The list length is the number of entries.
LM-C09-C-005
A representation inspection is evidence, but not a guarantee.