A school aged child wearing makeup and doing a hand sign sits on the ground among similar aged children who are all making the same sign.
the children are doing sign language.
just because they are making hand signs , does not imply that they are doing sign language or even know it for that matter.
Just because a school aged child wearing makeup and doing a hand sign sits on the ground among similar aged children who are all making the same sign does not mean they are doing sign language.
Just because the kids are doing hand signs does not mean that they are necessarily doing sign language.