Does the sentence "Soldiers are also equiped with various hand grenades, such as the M67 fragmentation grenade and M18 smoke grenade." provide a valid answer to the question "The M18 is a type of what kind of grenade?"

A: yes

Does the sentence "Unicode has the explicit aim of transcending the limitations of traditional character encodings, such as those defined by the ISO 8859 standard, which find wide usage in various countries of the world but remain largely incompatible with each other." provide a valid answer to the question "What is the aim of Unicode?"

A: yes

Does the sentence "Swans, for instance, may strike with the bony spurs and bite when defending eggs or young." provide a valid answer to the question "What is another name for steamer ducks?"

A: no

Does the sentence "This coincided with the transition to professional football, and, in 1926, the directors of Barcelona publicly claimed, for the first time, to operate a professional football club." provide a valid answer to the question "On what date did the FC Barca hold a second testimonial match for Paulino Alcantara against the Spanish national team?"

A:
no