'' block-mapping-start-token() '?' scalar-token(plain=#t, style=#f, value="Mark McGwire") ':' '{' '?' scalar-token(plain=#t, style=#f, value="hr") ':' scalar-token(plain=#t, style=#f, value="65") ',' '?' scalar-token(plain=#t, style=#f, value="avg") ':' scalar-token(plain=#t, style=#f, value="0.278") '}' '?' scalar-token(plain=#t, style=#f, value="Sammy Sosa") ':' '{' '?' scalar-token(plain=#t, style=#f, value="hr") ':' scalar-token(plain=#t, style=#f, value="63") ',' '?' scalar-token(plain=#t, style=#f, value="avg") ':' scalar-token(plain=#t, style=#f, value="0.288") '}' block-end-token() ''