Instruction: Given a question and its related document, determine if the question is answerable by analyzing the information in the document. Output yes if the document addresses the question, or no otherwise.

Input:
Question: Will these trippers fit a Model HB21R?
Document: We lost our current trippers in our garden. These trippers fit exactly right and have worked well. The bright colors make them easy to find if dropped on the floor.
I lent my timer to a friend when she went out of town and she lost my trippers. I searched on amazon and found these trippers for a great low price with free shipping. They fit perfectly in my timer and I am using it for my Christmas tree.
My husband misplaced the original trippers that came with our timer so, we needed replacement trippers, these work perfectly with our timer.
I have been looking for these trippers for years in local stores....no luck. Found them here at a reasonable price, which was way cheaper than buying new timers. I got two sets so that I can now use two timers that are sitting in my garage - they worked but had no trippers. I still havent figured out where the old trippers went!
They work as intended--kinda hard to operate the timers without them! If not for the internet, I don't know where I'd get them...
These small parts get lost so easily, and were impossible to find locally. Fortunately, these arrived quickly, and work with my timer. This allows the timer to turn itself on and off multiple times during the day and/or night. Unfortunately the colors are reversed compared to the original pins. The red now turns the timer on, and the green turns it off, which is the opposite of the ones that came with the timer. But they still work.
There isn't anything special about these except that without them your Intermatic timer doesn't work. So yeah, I love these little things.The company I got them from shipped them super fast.
I cant seem to find these at my local stores, (home depot, Lowes) I tried a couples different versions of them and none worked?So if you want to save yourself some time, just get these. I only wish they were a tad cheaper.you only get four, and they are micro pieces of plastic, you would think they would cost less?
Answer: yes