This photo, released by the US Department of Defense, shows part of the search-and-recovery operations conducted by American service members and volunteer civilians when Korean Air flight 801 crashed in Guam on August 6, 1997.

What colors can be found in the searchers headgear?

Вариант ответа 1 - a) white, orange, magenta, brown

Вариант ответа 2 - b) red, yellow, blue, green

Вариант ответа 3 - c) purple, gray, silver, platinum

Вариант ответа 4 - d) none of the above