Ayub straightens his index finger horizontally…
Ayub: What’s this called?
Me: A finger?
Ayub: No!
Mr Ninja: Pointing?
Ayub: Noooo!
Me: Left?
Ayub: Noooooooo! What’s this called?! This! THIS!
Mr Ninja: What’s happening?
Me: Uhhhh…
Ayub: Like this. This one. What’s it called?
Me: Minus! Is it minus? Subtract? Less? Like 5 minus 1?
Ayub: Yeah! Minus! This is MINUS!