Question:
As I said before, I'm a mutt! returned Julius.

Does it follow that "Julius is of mixed heritage. "?
Answer:
yes

Question:
Furthermore, the wrapping looked as if it had been done by a fourth grader.

Does it follow that "In addition, it appears that a fourth-grader was responsible for wrapping this."?
Answer:
yes

Question:
(Saint Johnswort makes your skin sensitive to sunlight.)

Does it follow that "Your skin gets sensitive if you use Saint Johnswort."?
Answer:
yes

Question:
The boilermaker's union is working to recruit new members into their apprenticeship programs, which takes four years to complete.

Does it follow that "The apprenticeship program for boilermakers will take 4 years to finish."?
Answer:
yes