Answer:
c. Strong sentiments may be generated by a computer, not a person.
Step-by-step explanation:
Computers do not have the capacity to generate sentiments or feelings, they are machines, sentiments are generated by humans.
Identifying the target of an expressed target is difficult in the scenarios pointed out in option A, B and D because a blog article may just be directed to the general public and not a particular individual or sect and sometimes there are actually multiple targets of a sentiment.