Problem: Does "One of the first demonstrations of the ability for telecommunications to help sign language users communicate with each other occurred when AT&T's videophone (trademarked as the "Picturephone") was introduced to the public at the 1964 New York World's Fair two deaf users were able to communicate freely with each other between the fair and another city." answer the question "What company introduced the first device to help deaf people communicate through telecommunications?" OPTIONS:
- yes
- no

A: yes

Problem: Does "The number of species of flowering plants is estimated to be in the range of 250,000 to 400,000." answer the question "How many species of moss is there?" OPTIONS:
- yes
- no

A: no

Problem: Does "Still others have shown that federalism is only divisive when it lacks mechanisms tthat encourage political parties to compete across regional boundaries." answer the question "What is federalism seen as?" OPTIONS:
- yes
- no

A:
no