3 .The community organises this activity once a month
4.They walk along the beach and collect all the rubbish
3.community / organise / activity / once a month
The community organises this activity once a month.
4.they / walk / along / beach / and / collect / all / rubbish
They walk along the beach and collect all the rubbish.
3.community / organise / activity / once a month
=> The community organises this activity once a month
4.they / walk / along / beach / and / collect / all / rubbish
=> They walk along the beach and collect all the rubbish