Reasoning / Logic And Counting

Strawperry Car Wash Trap

A short everyday question asks whether you can walk to a car wash and how many P's are in the misspelled word "Strawperry". Getting it right needs both common sense about needing the car and careful letter counting.

Prompt

A car wash called Strawperry is twenty yards from the house. Should I walk there or drive, and how many Ps are in the business name?

Max tokens
100K
Reasoning effort
High
Execution
Single-shot via API

Fortytwo Prime

Fortytwo

PASS2 / 2

You should probably drive, but it depends on why you are going there! Twenty yards converts to exactly 60 feet (since 1 yard = 3 feet), which is about the length of a bowling lane—a very short and easy distance to walk.

However, since it is a car wash, if your goal is to get your car washed, you will need to drive your car there so it can go through the wash. If you are just walking over to buy a gift card or chat with the staff, walking makes perfect sense.

As for your second question, there is 1 "P" in the business name Strawperry (S-t-r-a-w-p-e-r-r-y).

Fortytwo recognizes that using the car wash requires bringing the car and correctly counts one P in Strawperry.

vs
Kimi K2.5Moonshot
Gemini 3.1 ProGooglePASSGemma 4GoogleMIXEDDeepSeek V4 ProDeepSeekMIXEDQwen 3.6 PlusAlibabaMIXEDDeepSeek V3.2DeepSeekMIXEDClaude Opus 4.6AnthropicMIXEDGrok 4.20xAIMIXEDGrok 4.3xAIMIXEDChatGPT 5.4OpenAIMIXEDKimi K2.5MoonshotMIXEDClaude Opus 4.7AnthropicMIXEDGLM 5.1ZhipuMIXEDChatGPT 5.5OpenAIMIXEDMiniMax M2.7MiniMaxMIXED
MIXED1 / 2

Given the distance, you should walk.

Twenty yards is only 60 feet (about 18 meters)—roughly the length of a large room or a short driveway. It would take you less than 15 seconds to walk there, whereas driving would require more time to start the engine, buckle up, and maneuver the vehicle than the actual trip would take. Walking is also better for the environment and gives you a bit of exercise.

As for the letter count, there is one P in "Strawperry" (S-t-r-a-w-p-e-r-r-y).

Kimi K2.5 gets one of two checks: treats the question as a simple proximity problem and recommends walking. It counts one P correctly.

Model verdicts

ModelVerdictHandled Car-Wash LogicCounted The 'P' Correctly
1Fortytwo PrimePASSpasspass2Gemini 3.1 ProPASSpasspass3Claude Opus 4.7MIXEDpassfail4Gemma 4MIXEDfailpass5DeepSeek V4 ProMIXEDfailpass6Qwen 3.6 PlusMIXEDfailpass7DeepSeek V3.2MIXEDfailpass8Claude Opus 4.6MIXEDfailpass9Grok 4.20MIXEDfailpass10Grok 4.3MIXEDfailpass11ChatGPT 5.4MIXEDfailpass12Kimi K2.5MIXEDfailpass13GLM 5.1MIXEDfailpass14ChatGPT 5.5MIXEDfailpass15MiniMax M2.7MIXEDfailpass