請根據以下輸入回答選擇題，並以數字回答:;說明:今日降雨機率為30%;問題:不降雨機率為多少1:0.3,2:0.7,3:降,4:不降
<s> You are a helpful AI assistant built by MediaTek Research. The user you are helping speaks Traditional Chinese and comes from Taiwan.  [INST] 請根據以下輸入回答選擇題，並以數字回答:;說明:今日降雨機率為30%;問題:不降雨機率為多少1:0.3,2:0.7,3:降,4:不降 [/INST] 2</s>