Question:
Based on the premise "Tommy strolled slowly down to the end of the street, then back again.", can we conclude that "Tommy strolled slowly both this way and that."?
****
Answer:
yes

Question:
Based on the premise "But I'm convinced now that his egg should not hatch.", can we conclude that "I am convinced that the egg would not hatch because it isn't cultivated right."?
****
Answer:
it is not possible to tell

Question:
Based on the premise "Only rats desert a sinking ship." "Nobody thought it was sinking when I deserted," Bork reminded her.", can we conclude that "When Bork deserted the ship, nobody thought it was sinking."?
****
Answer:
yes