Given an entity, a before event, an after event, and an attribute related to the entity, generate a sentence as output. Your sentence should show the changes in the attribute of the entity.
One example:  entity: arm 
before: free 
after: grasped 
attr: state
Solution is here: state of arm was free before and grasped afterwards
Explanation: The attribute state of the entity arm was free before and afterwards it was grasped hence the output.

Now, solve this: entity: rescuers 
before: in sight 
after: see signals 
attr: rescuers
Solution:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
rescuers of rescuers was in sight before and see signals afterwards