The mother is either pushing the child in a stroller or the child is playing with a toy truck on the ground also the one does not say if the child is male or female so it cannot be botb


Context: "A woman in a black dress and black heels carries a shopping bag while leaning against a green bar while her child plays with a toy truck on the ground." Claim: "A mother pushes her son in a stroller."
Considering the context, is the claim true, false, or unknown?