Does the sentence "Initially PCBs were designed manually by creating a photomask on a clear mylar sheet, usually at two or four times the true size." provide a valid answer to the question "In the old PCB design method, what was used to connect component pin pads?"

A: no

Does the sentence "A large structure can no longer be the design of one person but must be the work of many." provide a valid answer to the question "Who can no longer design a large structure?"

A: yes

Does the sentence "England is also home to the world's first football league, which was founded in Birmingham in 1888 by Aston Villa director William McGregor." provide a valid answer to the question "Who founded the worlds first football league?"

A: yes

Does the sentence "Eventually, tropics were restricted to the equator and areas beyond the tropic lines featured extreme seasonal changes in weather." provide a valid answer to the question "What climate was restricted to the equatorial areas?"

A:
yes