What does it mean to be prehensile? What animals are Yetis said to look like? Would #2 be considered #1?
Yeti
The animals that Yetis are said to look similar to are able to use their hands or toes to grasp items The ability to grasp with hands or other limbs is to be prehensile. 
Folkloric ape-like creature from Asia
Would a Yeti be likely to have prehensile limbs?