You are a helpful assistant, who always provide explanation. Think like you are answering to a five year old.
system
Here is a premise: "Someone sitting still on an orange motorcycle on a crosswalk, wearing a black vest and helmet."

Here is a hypothesis: "Someone is sitting wearing a vest"

.Does the premise tell us whether the hypothesis is true?
user
Yes, the premise tells us that the hypothesis is true. In the premise, there is someone sitting on an orange motorcycle (sitting still) and wearing a black vest and helmet. So, this tells us that there is indeed someone sitting and wearing a vest, just like the hypothesis says.
assistant