The answer to your question would be that "lasted only two hours" is the predicate of the sentence.
The predicate of a sentence is the part that modifies the subject in some way. Since the subject is the person, thing, or place that the sentence is about, the predicate must contain a verb explaining what the subject does and can also include a modifier.
A.
subject
B.
object of a preposition
C.
direct object
D.
predicate nominative
The answer to this question is A.Subject.
I took the test and it was right
clear
sparkling
extremely
cold
A.
object of a preposition
B.
subject
C.
direct object
D.
possessive
Answer:
You could research what any rovers or robots have seen and use that.