Q: "Two people are riding bikes beside train tracks." Does this mean that "The two people are brothers."?
A: it is not possible to tell

Q: "People dressed in red are walking into an ivory colored building that looks like a castle." Does this mean that "People are dressed in green."?
A: no

Q: "The kids are outside playing in the sunshine." Does this mean that "The kids are playing at night."?
A: no

Q: "Several construction workers with orange safety vests are digging into the ground." Does this mean that "The workers are digging up a pipe."?
A:
it is not possible to tell