Which of the following are explicit indicators?
a. intentional obvious conclusions
b. always, never, and sometimes
c. fact and opinion
d. because, for, and since

“obamacare”: included a provision for government-run health insurance called “the public option.” was bitterly opposed by congressional republicans because most favored a “single-payer” plan. survived two challenges to its constitutionality. was partially repealed in 2013 in order to avert a government shutdown. led to the expansion of medicaid in republican controlled states.