query: علامة "الوتر لأعلى" تشبه للحرف ـV وعلامة "الوتر لأسفل" تشبه للدباسة أو مربّع من غير الجانب السفلي.
positive: The "up bow" mark looks like a V and the "down bow mark" like a staple or a square missing its bottom side.
negative: The "down bow" mark looks like a V and the "down bow mark" like a staple or a square missing its side side. The "up bow" mark did not look like a V and the "down bow mark" like a staple or a square missing its bottom side.