Question: In 1409, under a new directive from Emperor Chu Ti to pursue trade in the South Seas and the Indian Ocean, a Chinese fleet of 50 ships headed by Admiral Cheng Ho called in at Melaka.
A Chinese fleet of 450 ships were headed by Admiral Cheng Ho.

Answer: no

Question: Participants have been asked, for instance, to develop mission statements for their home organizations and to develop strategic goals and performance measures.
Participants were given a week to come up with mission statements for their home organization.

Answer: it is not possible to tell

Question: Good morning, he said briskly and cheerfully.
The man was happy in saying good morning.

Answer:
yes