Question: Based on the sentence "A group of people walk together, some are holding up yellow signs.", is the sentence "A group of people walking and holding signs are protesting." true?
Answer:
it is not possible to tell

Question: Based on the sentence "Three people are playing music; two with violins and one with a guitar, and at least two of them are singing into microphones.", is the sentence "There is a musical trio performing." true?
Answer:
yes

Question: Based on the sentence "A cyclist is on his bicycle in a rural setting.", is the sentence "An athlete is training along open land." true?
Answer:
yes

Question: Based on the sentence "People walk in front of some graffiti.", is the sentence "The people are by grafitti." true?
Answer:
yes