Read the text. Fill in the gap with the missing part of the sentence.
These are clearly indicated within each park and are usually ecologically sensitive sites, children's play areas, restaurants, cafes and some sports areas. Ground nesting birds are particularly sensitive to disturbance by dogs and people. So it is necessary to observe the warning signs __________ . In Bushy Park and Richmond Park dogs should be kept away from the deer.
The Royal Parks are for everyone to enjoy.

• that are displayed during the nesting season
• that take cyclists away from traffic
• while the city has grown up around them
• and admire the changing leaves as autumn arrives
• who does not know the route to the place of destination
• where they are not allowed or should be kept on a lead
• who are tired of the noise, crowds and excitement of sightseeing