Question: Perhaps the best place to start your tour of Lisbon is from the Moors' old castle, the Castelo de Sao Jorge.
The Castelo de Sao Jorge is where you should start your tour of Lisbon, but then you can decide which direction to go in.

Answer: it is not possible to tell

Question: 'Never underestimate your adversary.'
Don't think less of your adversary.

Answer: yes

Question: Even children on foot or in strollers wear a miniature version of the costumes.
There is a smaller version of the costumes for children.

Answer:
yes