Assertion: bull narwhal | /r/CapableOf | rub its tusk
Facets:
value: at times
type: TEMPORAL
value: with another bull
type: OTHER
Source sentences:
text: At times, a bull narwhal may rub its tusk with another bull, a display known as "tusking" and thought to maintain social dominance hierarchies.
text: At times, a bull narwhal may rub its tusk with another bull, a display known as "tusking" and thought to maintain social dominance hierarchies.
text: At times, a bull narwhal may rub its tusk with another bull, a display known as "tusking" and thought to maintain social dominance hierarchies.
text: At times, a bull narwhal may rub its tusk with another bull, a display known as "tusking" and thought to maintain social dominance hierarchies.