Does the sentence "The removal of wolves had a direct effect on beaver populations, as their habitat became territory for grazing." provide a valid answer to the question "Why were plant populations affected after wolves were eliminated from Yellowstone?" OPTIONS:
- yes
- no

A: no

Does the sentence "Other notable new vaccines of the period include those for measles (1962, John Franklin Enders of Children's Medical Center Boston, later refined by Maurice Hilleman at Merck), Rubella (1969, Hilleman, Merck) and mumps (1967, Hilleman, Merck)" provide a valid answer to the question "Who recreated the measles vaccine?" OPTIONS:
- yes
- no

A: yes

Does the sentence "Patanjali, who lived three centuries after Panini, wrote the Mahabhasya, the "Great Commentary" on the Astadhyayi and Vartikas." provide a valid answer to the question "Who composed Vartikas on the Panini sutras?" OPTIONS:
- yes
- no

A: no

Does the sentence "As in many other countries, child labour in Switzerland affected among the so-called Kaminfegerkinder ("chimney sweep children") and chidren working p.e." provide a valid answer to the question "What is Kaminfegerkinder?" OPTIONS:
- yes
- no

A:
yes