Help with plant ID

Help with plant ID

Observation - Help with plant ID - UK and Ireland. Description: This plant was observed in grassland / hedgerow area of an inner city. I think it might be rape seed but not sure especially considering where I saw it can anyone help please, thankyou

This plant was observed in grassland / hedgerow area of an inner city. I think it might be rape seed but not sure especially considering where I saw it can anyone help please, thankyou