Interned Literals vs Runtime Strings

s1 = "hello"
s2 = "hello"
print(s1 is s2)

parts = ["hel", "lo"]
more_parts = ["hel", "lo"]
s3 = "".join(parts)
s4 = "".join(more_parts)
print(s3 is s4)

s3 and s4 both end up equal to "hello". What does this print, under CPython 3.14?